Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique

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Since 2016, Manhiça HDSS is implementing the Child Health and Mortality Prevention Surveillance (CHAMPS) program aiming to investigate causes of death (CoD) in stillbirths and children under the age of 5 years using an innovative post-mortem technique known as Minimally Invasive Tissue sampling (MITS), comprehensive pathogen screening using molecular methods, clinical record abstraction and verbal autopsy. Both in-hospital and community pediatric deaths are investigated using MITS. For this, community-wide socio-demographic approaches (notification of community deaths by key informants, formative research involving several segments of the community, availability of free phone lines for notification of medical emergencies and deaths, etc.) are conducted alongside to foster community awareness, involvement and adherence as well as to compute mortality estimates and collect relevant information of health and mortality determinants. The main objective of this paper is to describe the Manhiça Health and Demographic Surveillance System (HDSS) site and the CHAMPS research environment in place including the local capacities among its reference hospital, laboratories, data center and other relevant areas involved in this ambitious surveillance and research project, whose ultimate aim is to improve child survival through public health actions derived from credible estimates and understanding of the major causes of childhood mortality in Mozambique." } { "@context": "http://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": "1", "item": { "@id": "https://gatesopenresearch.org/", "name": "Home" } }, { "@type": "ListItem", "position": "2", "item": { "@id": "https://gatesopenresearch.org/browse/articles", "name": "Browse" } }, { "@type": "ListItem", "position": "3", "item": { "@id": "https://gatesopenresearch.org/articles/7-4", "name": "Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça..." } } ] } Home Browse Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça... ALL Metrics - Views Downloads Get PDF Get XML Cite How to cite this article Sacoor C, Vitorino P, Nhacolo A et al. Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.12688/gatesopenres.13931.3 ) NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article. Close Copy Citation Details Export Export Citation Sciwheel EndNote Ref. Manager Bibtex ProCite Sente EXPORT Select a format first Track Share ▬ ✚ Open Letter Revised Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] Charfudin Sacoor https://orcid.org/0000-0002-8724-0319 1,2 * , Pio Vitorino 1 * , Ariel Nhacolo 1 , [...] Khátia Munguambe 1,3 , Rita Mabunda 1 , Marcelino Garrine 1 , Edgar Jamisse 1 , Amílcar Magaço 1 , Elísio Xerinda 1 , António Sitoe 1 , Fabíola Fernandes 3,4 , Carla Carrilho https://orcid.org/0000-0003-0208-7309 3,4 , Maria Maixenchs 1,5 , Percina Chirinda https://orcid.org/0000-0002-2649-1034 1 , Tacilta Nhampossa 1 , Bento Nhancale 1 , Natalia Rakislova https://orcid.org/0000-0001-5030-3526 5,6 , Justina Bramugy 1 , Arsénio Nhacolo 1 , Sara Ajanovic 1,5 , Marta Valente 1,5 , Arsénia Massinga 1 , Rosauro Varo https://orcid.org/0000-0003-4282-5572 1,5 , Clara Menéndez https://orcid.org/0000-0002-2641-6907 1,5,7 , Jaume Ordi 5,6 , Inácio Mandomando https://orcid.org/0000-0002-1078-2187 1,8 * , Quique Bassat https://orcid.org/0000-0003-0875-7596 1,5,7,9,10 * Charfudin Sacoor https://orcid.org/0000-0002-8724-0319 1,2 * , Pio Vitorino 1 * , [...] Ariel Nhacolo 1 , Khátia Munguambe 1,3 , Rita Mabunda 1 , Marcelino Garrine 1 , Edgar Jamisse 1 , Amílcar Magaço 1 , Elísio Xerinda 1 , António Sitoe 1 , Fabíola Fernandes 3,4 , Carla Carrilho https://orcid.org/0000-0003-0208-7309 3,4 , Maria Maixenchs 1,5 , Percina Chirinda https://orcid.org/0000-0002-2649-1034 1 , Tacilta Nhampossa 1 , Bento Nhancale 1 , Natalia Rakislova https://orcid.org/0000-0001-5030-3526 5,6 , Justina Bramugy 1 , Arsénio Nhacolo 1 , Sara Ajanovic 1,5 , Marta Valente 1,5 , Arsénia Massinga 1 , Rosauro Varo https://orcid.org/0000-0003-4282-5572 1,5 , Clara Menéndez https://orcid.org/0000-0002-2641-6907 1,5,7 , Jaume Ordi 5,6 , Inácio Mandomando https://orcid.org/0000-0002-1078-2187 1,8 * , Quique Bassat https://orcid.org/0000-0003-0875-7596 1,5,7,9,10 * * Equal contributors PUBLISHED 13 Sep 2024 Author details Author details 1 Manhiça Health Research Center, Municipio da Vila da Manhiça, Maputo Province, 1929, Mozambique 2 Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain 3 Faculty of Medicine, Eduardo Mondlane University, Maputo, Maputo, Mozambique 4 Department of Pathology, Maputo Central Hospital, Maputo, Maputo, Mozambique 5 ISGlobal, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain 6 Department of Pathology, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain 7 CIBER Epidemiologia y Salud Publica (CIBERESP), Barcelona, Spain 8 National Institute of Health, Ministry of Health of Mozambique, Maputo, Mozambique 9 ICREA, Barcelona, Spain 10 Pediatric Department, Hospital Sant Joan de Deu- Universitat de Barcelona, Barcelona, Spain Charfudin Sacoor Roles: Methodology, Writing – Original Draft Preparation Pio Vitorino Roles: Methodology, Writing – Original Draft Preparation Ariel Nhacolo Roles: Investigation, Methodology, Writing – Review & Editing Khátia Munguambe Roles: Investigation, Methodology, Writing – Review & Editing Rita Mabunda Roles: Investigation, Methodology, Writing – Review & Editing Marcelino Garrine Roles: Investigation, Methodology, Writing – Review & Editing Edgar Jamisse Roles: Investigation, Methodology, Writing – Review & Editing Amílcar Magaço Roles: Investigation, Methodology, Writing – Review & Editing Elísio Xerinda Roles: Investigation, Methodology, Writing – Review & Editing António Sitoe Roles: Investigation, Methodology, Writing – Review & Editing Fabíola Fernandes Roles: Investigation, Methodology, Writing – Review & Editing Carla Carrilho Roles: Investigation, Methodology, Writing – Review & Editing Maria Maixenchs Roles: Investigation, Methodology, Writing – Review & Editing Percina Chirinda Roles: Investigation, Methodology, Writing – Review & Editing Tacilta Nhampossa Roles: Investigation, Methodology, Writing – Review & Editing Bento Nhancale Roles: Investigation, Methodology, Writing – Review & Editing Natalia Rakislova Roles: Investigation, Methodology, Writing – Review & Editing Justina Bramugy Roles: Investigation, Methodology, Writing – Review & Editing Arsénio Nhacolo Roles: Investigation, Methodology, Writing – Review & Editing Sara Ajanovic Roles: Investigation, Methodology, Writing – Review & Editing Marta Valente Roles: Investigation, Methodology, Writing – Review & Editing Arsénia Massinga Roles: Investigation, Methodology, Writing – Review & Editing Rosauro Varo Roles: Investigation, Methodology, Writing – Review & Editing Clara Menéndez Roles: Investigation, Methodology, Writing – Review & Editing Jaume Ordi Roles: Investigation, Methodology, Writing – Review & Editing Inácio Mandomando Roles: Conceptualization, Funding Acquisition, Investigation, Supervision, Writing – Review & Editing Quique Bassat Roles: Conceptualization, Funding Acquisition, Investigation, Supervision, Writing – Review & Editing OPEN PEER REVIEW DETAILS REVIEWER STATUS This article is included in the CHAMPS gateway. Abstract The Manhiça Health Research Centre (Manhiça HDSS) was established in 1996 in Manhiça, a rural district at Maputo Province in the southern part of Mozambique with approximately 49,000 inhabited households, a total population of 209.000 individuals, and an annual estimated birth cohort of about 5000 babies. Since 2016, Manhiça HDSS is implementing the Child Health and Mortality Prevention Surveillance (CHAMPS) program aiming to investigate causes of death (CoD) in stillbirths and children under the age of 5 years using an innovative post-mortem technique known as Minimally Invasive Tissue sampling (MITS), comprehensive pathogen screening using molecular methods, clinical record abstraction and verbal autopsy. Both in-hospital and community pediatric deaths are investigated using MITS. For this, community-wide socio-demographic approaches (notification of community deaths by key informants, formative research involving several segments of the community, availability of free phone lines for notification of medical emergencies and deaths, etc.) are conducted alongside to foster community awareness, involvement and adherence as well as to compute mortality estimates and collect relevant information of health and mortality determinants. The main objective of this paper is to describe the Manhiça Health and Demographic Surveillance System (HDSS) site and the CHAMPS research environment in place including the local capacities among its reference hospital, laboratories, data center and other relevant areas involved in this ambitious surveillance and research project, whose ultimate aim is to improve child survival through public health actions derived from credible estimates and understanding of the major causes of childhood mortality in Mozambique. READ ALL READ LESS Keywords Manhiça site description, Health and Demographic Surveillance System, morbidity surveillance, Mozambique, child mortality, post-mortem, MITS, CISM. Corresponding Author(s) Charfudin Sacoor ( [email protected] ) Close Corresponding author: Charfudin Sacoor Competing interests: No competing interests were disclosed. Grant information: This work is supported by Emory University, funded by The Gates Foundation (INV-009109). CISM is supported by the Government of Mozambique and the Spanish Agency for International Development (AECID). ISGlobal receives support from the Spanish Ministry of Science and Innovation through the "Centro de Excelencia Severo Ochoa 2019-2023" Program (CEX2018-000806-S) and support from the Generalitat de Catalunya through the CERCA Program. Copyright: © 2024 Sacoor C et al . This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. How to cite: Sacoor C, Vitorino P, Nhacolo A et al. Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.12688/gatesopenres.13931.3 ) First published: 20 Jan 2023, 7 :4 ( https://doi.org/10.12688/gatesopenres.13931.1 ) Latest published: 13 Sep 2024, 7 :4 ( https://doi.org/10.12688/gatesopenres.13931.3 ) Revised Amendments from Version 2 The affiliations listed in the previous version of the paper contained inaccuracies that were unfortunately not addressed before publication. In this revised version, I have made the necessary corrections to ensure proper attribution and to accurately reflect the correct institutional affiliations. The affiliations listed in the previous version of the paper contained inaccuracies that were unfortunately not addressed before publication. In this revised version, I have made the necessary corrections to ensure proper attribution and to accurately reflect the correct institutional affiliations. See the authors' detailed response to the review by Sanjay Juvekar See the authors' detailed response to the review by Mark Collinson READ REVIEWER RESPONSES Disclaimer The views expressed in this article are those of the author(s). Publication in Gates Open Research does not imply endorsement by the Gates Foundation. Introduction The Child Health and Mortality Prevention Surveillance ( CHAMPS ) program was established in 2015 as a multisite network whose primary aim is to conduct comprehensive child mortality surveillance in sub-Saharan Africa and South Asia. CHAMPS uses innovative post-mortem and community-wide demographic approaches, as a long-term strategy to better understand the causes of death and to positively impact child survival 1 . With an ambitious horizon of a 25-year lifespan, this network was conceived as a long-term endeavor to generate state-of-the-art data on child mortality in settings with high mortality burdens. Now in its 10 th year of activities, the network includes sites in six African countries (Mozambique, South Africa, Mali, Kenya, Ethiopia, and Sierra Leone) and one in Asia (Bangladesh), with plans of opening two other sites (Pakistan and Nigeria) during the year 2023. The Manhiça Health Research Centre ( Centro de Investigação em Saúde de Manhiça ; CISM), in Manhiça district, Southern Mozambique, was the pioneer site of CHAMPS activities within the network in the year 2016. The sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kits used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years 2 , 3 . This technique was validated for all age groups as an acceptable proxy to the complete diagnostic autopsy 4 , 5 , and due to its non-disfiguring nature, was found to be much more acceptable by family members of the deceased, permitting post-mortem sampling and bypassing the unsurmountable hurdles of conducting full pathological autopsies in African and Asian settings 6 – 8 . Although the CHAMPS project is being implemented in two sites (Manhiça district and Quelimane district) this paper aims to describe the capacities of the Manhiça site and particularities of the study implementation in this district. Why CHAMPS in Mozambique? CHAMPS is targeting high mortality burden countries (defined as those with a child mortality rate above 50/1000 live births) that already had the infrastructure to adequately track childhood mortality 9 . Any site applying to become part of the network needed to have a well-established population under demographic surveillance, a birth cohort of 3,000 or more newborns per year, good clinical facilities and community liaisons within the study area, and reasonable coverage of antenatal consultations among pregnant women. Despite CISM providing robust data on mortality in Mozambique, including death registration and determination of cause of death through verbal autopsy, CHAMPS represents an opportunity to enhance this already robust infrastructure. In Manhiça, where over 50% of deaths occur at home, verbal autopsies (VA) within the HDSS are used to determine causes of death. However, verbal autopsies have limitations, including potential recall bias and variability in interpretations, which may affect the accuracy of cause-of-death determinations. Furthermore, death certificates, which are often incomplete or inaccurately completed, pose potential limitations even for facility deaths in accurately documenting causes of death, particularly in resource-constrained settings. CISM, a research center of excellence within the continent, fulfilled all these prerequisites and already had solid experience engaging with the community regarding the potential use of post-mortem techniques 6 and a long history of conducting verbal autopsies (VA) for mortality surveillance 10 . In the following paragraphs, this paper describes the particularities of Mozambique as a country and Manhiça district as the chosen site to implement the first years of CHAMPS activities in the country. Additionally, it discusses the epidemiological profile and knowledge gaps regarding the main causes of childhood mortality in Manhiça, justifying its suitability to join the CHAMPS network. General country and Manhiça district characteristics Mozambique is located on the southeastern coast of Africa, with an Indian Ocean coastline of 2,700 Km 11 , bordering Tanzania in the North, Malawi and Zambia in the northwest, Zimbabwe in the west, and Swaziland and South Africa in the South. It covers 799,380 Km 2 and is administratively divided into 11 provinces which are commonly grouped into three geographical regions (the Northern, Central, and Southern regions) 12 . The most recent national census (2017) indicates that the country has 27.9 million inhabitants, of which 46% are children under the age of 15 years, and less than 3.3% are older than 65. The official language is Portuguese, but the people also speak Bantu languages. The country has high religious diversity, with about 60% of the population adhering to some form of Christianity or evangelism, followed by Muslims, who account for 19% of the population. Most of the Mozambican economy is based on primary sector activities such as agriculture, livestock, fishing and informal mineral extraction 13 . The national currency is the Metical (1 USD ~ 63.29 MZN; according to the national Bank of Mozambique ). The average annual inflation in Mozambique reached 5.7% in 2021, almost double the rate registered in 2020, and the GDP growth rate was 2.22%, a 3.46% increase from 2020 13 . The district of Manhiça is located about 90 km north of Maputo city, the capital of Mozambique. It has geographical limits, to the north and northeast with the district of Bilene Macia in the province of Gaza, to the east with the Indian Ocean, to the south with the district of Marracuene, to the west with the district of Moamba and to the west and northeast with the district of Magude. Figure 1 presents a map showing the location of Mozambique in Africa, and the Manhiça district including administrative divisions and health facilities. Figure 1. Map of Manhiça district (2021) covering the Manhiça Health and Demographic Surveillance System (HDSS), by the authors. (A) Administrative shape files were obtained from CENACARTA. (B) GPS positions of health facilities were obtained directly from the field by the authors. The district is located on a plain, surrounded by the Incomati River, covering an area of 2.380km 2 ; This district has two distinct climate seasons. The warm season (November to April) coincides with most of the rainfall (900 – 1100 mm on average) and is followed by a cool and dry seasonover lasting for the rest of the year. The residents are mainly Xichangana and Xironga. The three predominant religions are Christian related Zion, Protestants and other Indeterminate Christianity. About 76% of the households were constructed by conventional materials in the district. 54% of the houses have electricity, 93% have conventional latrines and about 34% of houses have potable water within the compound. The majority of the study population are engaged in small businesses, subsistence farming, laborers in sugar cane plantations and sugar refining companies and other small agriculture companies 13 . Figure 2 shows the age and sex composition of the population of Mozambique and Manhiça and suggests an expansive population pyramid, with a large base due to a high fertility rate and a narrower top due to high mortality rates, typical of most sub-Saharan Africa populations with lower life expectancy. Despite having a very young population, Mozambique – and Manhiça in particular – also face a huge burden of neonatal and under-5 mortality. This corresponds to a country that has not yet experienced its demographic transition and where infectious diseases still represent the primary cause of premature and preventable deaths. The epidemiological profile of Mozambique is characterized by infectious diseases such as HIV/AIDS, tuberculosis, malaria, lower respiratory infections and diarrhea, although non-communicable diseases such as stroke, ischemic heart diseases and road injuries are also important causes of death 13 . In children, pneumonia, malaria, neonatal disorders, diarrheal disease, and malnutrition are among the most important causes of morbidity and mortality 14 , 15 . Figure 2. The population pyramid of Mozambique (Moz) in 2017 and the Manhiça district Health and Demographic Surveillance System (HDSS) in 2020. The X axis is the percent of the population for males (left graphs) and females (right graphs), and the Y axis is the age group in years. Female_Moz = % of females of this age group among the total national population; Male_Moz = % of males of this age group among the total national population; Female_HDSS – % of females of this age group among the total Manhiça HDSS population; Male_HDSS – % of males of this age group among the total Manhiça HDSS population; Note: negative % in males were made for graphical purposes only. Although the government efforts after the civil war in 1992 have improved the health services, medical care in Mozambique is still limited, with 8.7 medical doctors per 100,000 inhabitants and 0.74 beds per 1000 inhabitants 16 . The National Health System is divided into 4 levels of health care units: (i) Primary Health Care Units (rural health centers type I and II, urban health centers type A, B, C with or without maternity hospital), (ii) Secondary Health Care Units (rural, district and general hospitals), (iii) Tertiary Health Care Units (provincial hospitals) and (iv) Quaternary Health Care Units (central and specialized hospitals). In total the country has 1,625 health facilities divided into four levels 17 . There are only four hospitals of level four in the country, based in Maputo (South), Beira (Central), Quelimane (Central), and Nampula (North). The majority of the population of the country is served by health facilities of the lowest level; access to specialized health care services is limited. Current national estimates of mortality indicate still unacceptably high figures, with neonatal, infant and under 5 mortality rates estimated at 30, 67, and 78 per 1000 live births, respectively, and a maternal mortality rate of 451,6 per 100,000 live births 18 – 20 . Table 1 presents a summary of selected demographic and health indicators in Mozambique and the Manhiça district. Table 1. Selected demographic and health indicators in Mozambique and Manhiça HDSS. Demographic and health indicators Mozambique (year 2017) Manhiça HDSS (year 2020) Total population 27,909,798 207,339 Population density 35/km 2 87/km 2 Percentage of population that is urban 33.4% 0% Percentage of population that is rural 66.6% 100% Administrative divisions 11 provinces 6 administrative posts Male adult literacy rate 72.8% 47.5% Female adult literacy rate 50.6% 37.5% Birth rate 38/1000 26.2/1000 Fertility rate, total (births per woman) 5 3 Neonatal mortality rate (per 1,000 live births) 30.1 13.6 Infant mortality rate (per 1,000 live births) 67.3 21.2 Mortality rate, under-5 (per 1,000 live births) 77.9 31.3 Source: Instituto Nacional de Estatística (INE) data from census carried out in 2017, UNICEF estimates of 2017 and CISM demographic data of 2020. The Manhiça Health and Research Center The CISM was established in the Manhiça district in 1996 to conduct biomedical research on diseases affecting the poorest and most vulnerable populations. A full description of this center has been presented elsewhere 21 and recently updated 22 . Manhiça is the paradigm of a poor, resource-constrained rural sub-Saharan African setting with a predominantly young population (18% <5 years of age) 21 . The three pillars of the CISM activities include research, clinical assistance, and training of young investigators. Research activities are conducted under the umbrella of three well-established surveillance platforms, focusing on demography, morbidity, and microbiology, respectively. Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country, including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine 23 , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) 24 , 25 ), the treatment of malaria 26 , 27 , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children 28 – 33 . Through the linkage of its three routine surveillance platforms, CISM has, in recent years, provided detailed descriptions of the community's health status, particularly its pediatric mortality and morbidity indicators. When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. Estimates of 2020 neonatal, infant and under-five mortality rates in Manhiça were 13.6/1000 live births 21.2/1000 and 31.3/1000, respectively, showing a steady decreasing trend in the past two decades ( Figure 3 ). Figure 3. Trends of neonatal, infant and child mortality in Manhiça district from 2000 to 2020. Source: Manhiça HDSS databases, 2020. Additionally, the latest estimates of HIV prevalence in the community (39.9% seropositivity among adults) 34 confirm the remarkably high burden imposed by this infection, and in recent years, a cohort of around 4000 HIV-positive children has been routinely followed at the HIV outpatient consultation in Manhiça district hospital (MDH). CISM has conducted etiological surveillance for the most common infections affecting children and infants in the area, including malaria, pneumonia, and meningitis, among others 35 . PRE- AND POST-CHAMPS CAPACITY IN CISM Health and Demographic Surveillance System (HDSS) HDSS has been in place and running since the year 1996 in Manhiça, currently covering the totality of the population of the district. The HDSS includes a full population census that is regularly (twice a year) updated and a detailed registry of all major demographic events (births, deaths, pregnancies, in- and out-migrations). This platform supports the design and implementation of all the biomedical research activities conducted by the CISM either in Manhiça or elsewhere in the country, including verbal autopsy (VA). The HDSS currently comprises approximately 209,000 inhabitants living in approximately 48897 households (HDSS unpublished data of 2022). Manhiça and other rural districts in southern Mozambique are primary sources of migrants to South Africa, Eswatini, and Maputo. Historically, these areas provided many labor migrants for mines and farms, and to seek better conditions in the capital. In 2019, before the COVID-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person-years (pyrs) for males and 77.7 per 1000 pyrs for females. In 2021, during the pandemic, these rates decreased to 65.3 per 1000 pyrs for males and 60.4 per 1000 pyrs for females, particularly among the 15-39 age group. For external in-migration, 2019 rates were 46.3 per 1000 pyrs for males and 43.7 per 1000 pyrs for females. In 2021, these rates dropped to 27.3 per 1000 pyrs for males and 27.5 per 1000 pyrs for females. There was also a notable in-migration of children under five, with rates of 40–68 per 1000 pyrs, likely brought to stay with grandparents or accompanying returning parents The HDSS data have allowed the calculation of accurate estimates of vital events in different population sub-groups to measure disease incidence and a continuous surveillance of the main causes of death for all ages since the establishment of the platform. Data collection procedures have been described elsewhere 21 . Briefly, it includes three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. Prior to CHAMPS, deaths had been captured mainly through: (i) routine home visits by field workers assigned to neighborhoods containing a a number of households that could each be visited over 5 months, targeting at least 10 households per day; (ii) daily visits to health facilities by supervisors to gather information on facility deaths; (iii) home visits to key informants (such for instance community and religious leaders among others) by supervisors to collect events that occurred in their neighborhoods in the preceding week. All vital events, including deaths, are linked to the individual permanent identification Number (perm_id) assigned by the HDSS to each household member that meets HDSS inclusion criteria (voluntarily sign an informed consent and live or have an intention to live in one specific household for at least 3 months in Manhiça District) 21 , 36 . The Manhiça HDSS has the strength of providing accurate, ongoing, and periodically updated household and individual data, including all vital events and migration. It also collects essential socio-demographic information such as household characteristics and socio-economic status. This platform is crucial for understanding the impact of local contextual, environmental, demographic, and programmatic factors on health outcomes. In Manhiça, data on outpatient and inpatient visits of children under 15 years, including those under 5 years in the CHAMPS study, are systematically collected within the HDSS. Additionally, the HDSS facilitates clinical trials, monitors national and global health interventions and programs, and computes accurate demographic and epidemiological indicators. However, due to spatial limitations, the data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also notable weaknesses of this method. However, as CHAMPS required the timely detection of under 5 deaths and stillbirths within 24 hours of occurrence to allow the performance of MITS without interference in the burial process, the HDSS established a call center (open 24h/24h, 365 days per year) to receive real-time notifications from key informants in the community, staff from health facilities, the police, and other community members – who were mobilized to report deaths and other demographic events as soon as they became aware of them. In the context of CHAMPS activities, the CISM provided mobile phones to the key informants who did not have them. When a new death is notified, the call center registers the information in an existing database. It ensures that potential eligibility for CHAMPS post-mortem activities is assessed and that within the following 30 days, field workers visit the household in order to conduct the VA for that death. This is another major change given that, before the initiation of CHAMPS, VAs were typically conducted several months after the demise. The most important change, however, is the speed by which families are contacted to ascertain the feasibility of MITS within the pre-specified maximum hours (<36) after their child's death. The increase in the last years of community deaths that have been detected and in which MITS has been successfully conducted confirms that the system to identify deaths rapidly is adequately working. Additionally, a significant change was made to the routine HDSS of the CISM was the assignment of Perm_ID numbers for stillbirths, a population group that was, before CHAMPS, counted but not routinely part of the surveillance. Including them as part of the HDSS allowed much closer surveillance and the possibility of conducting, as the CHAMPS protocol requires, a VA within 30 days to any stillborn detected in the district. Morbidity and mortality surveillance Morbidity surveillance The morbidity surveillance system, ongoing since 1998 at MDH and five peripheral health facilities 37 , helps document all pediatric out- and inpatients visits (using standardized forms that include demographic information, clinical history, clinical exam, outcome and treatments completed by a trained health professional) for all children <15 years of age attending these health units. Standardized data on over ~70,000 pediatric admissions and 1.45 million outpatient visits have been collected over the past two decades, making up one of the largest health databases in the country. Malaria screening (for all children with fever or a history of fever in the preceding 24 hours) and microbiological surveillance of invasive bacterial disease have been in place at MDH as a routine practice by performing systematic blood culture collection for all children <2 years of age that are admitted, and for older children with suspected severe disease, including cerebrospinal fluid for meningitis suspected cases. This platform-generated data are critical for defining and evaluating public health policies in Mozambique, such as the introduction of Haemophilus influenzae type b (2009), pneumococcal conjugate (2013) and rotavirus (2015) vaccines in the Mozambican immunization program 29 – 32 , 38 . Introducing such vaccines was associated with significant drops in child mortality ( Figure 3 ). The thorough and continuous morbidity surveillance established by CISM has allowed the running of complex epidemiological studies and clinical trials that require an adequate linkage between field activities, clinical characterization and outcomes. The clinical department of the CISM has played a pivotal role in establishing such links. It is also responsible for establishing the communication and coordination bridge between CISM and health authorities, ensuring that all activities carried out by CISM are under rules established by the National Health System, with particular emphasis on deploying and following nationally established protocols and other related activities. Surveillance of causes of death: from verbal autopsies to MITS The CISM has been a pioneer in conducting mortality surveillance. As one of the founding members of INDEPTH , the global network of population surveillance in low- and middle-income countries 39 , health and population dynamics have been systematically monitored over the past 24 years. Causes of death are captured using the standardized WHO verbal autopsy form. Current data collection is done using Open Data Kit ( ODK © ) based on the OpenHDS platform. An in-house electronic application was developed using a customized WHO 2016 VA, and has already been introduced as part of the routine surveillance. A retrospective analysis of VA data for children in the period 1997–2006 highlighted the importance of infections, particularly malaria, pneumonia and diarrheal diseases, as the main threats to child survival in the district 10 . However, recognizing the limitations of data generated through VA 40 , researchers at CISM wanted to promote the use of more reliable methods to investigate causes of death. A first study conducted in 2004 at the pathology department of Maputo Central Hospital (MCH), in which maternal deaths were investigated by full diagnostic autopsy, confirmed the remarkable role that infectious diseases played in terms of maternal mortality 41 and the high frequency of discrepancy between clinical diagnosis and pathology findings elucidated by post-mortem investigations 42 . Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. In this context, and again benefitting from research funding from the Bill and Melinda Gates Foundation, and a revolutionary Minimally invasive autopsy (MIA) approach was designed 43 , 44 . In this approach, tissue samples of the key organs together with bodily fluids (blood, CSF etc.) were obtained using fine biopsy needles, a method that left little or no marks on the body and was found to be acceptable, with consent rates approaching 70–80% 3 , 45 . The validation studies, also conducted in MCH, created the path to implementing this post-mortem approach in rural settings like Manhiça, where such a technique was innovative and could provide useful and actionable data. With the advent of CHAMPS, the implementation of MIA (subsequently termed MITS to avoid the use of "autopsy" in the term) became a reality. The first MITS conducted as part of the entire CHAMPS network was done on Dec 9 th 2016, in the Manhiça District Hospital (MDH). Since then, nearly 500 MITS have been conducted at either MDH or the neighboring Xinavane hospital, including deaths occurring at the community level. CHAMPS has contributed to improving clinical infrastructures in the Manhiça District, both at MDH and at the neighboring Xinavane Rural Hospital. In this setting, CHAMPS activities have allowed the surveillance and investigation of childhood deaths and stillbirths using MITS. Such improvements included renovation of morgue facilities in both settings ( Figure 4 ), allowing corpse refrigeration and post-mortem investigations using MITS. Such infrastructures were developed in collaboration with the pathology departments of the Hospital Clínic in Barcelona, Spain, and the Maputo Central Hospital, given their previous involvement in the post-mortem studies leading to the validation of the minimally invasive autopsy 43 . Figure 4. Renewed morgue ( a ) and post-mortem facilities at Manhiça district hospital ( b , c ). Refrigerator room ( d ) and post-mortem table ( e ) at the renewed morgue of Xinavane Rural Hospital, used for CoD investigation and mortality surveillance. CHAMPS has also enhanced the existing collaboration between CISM and the District, Provincial and National health authorities, particularly for "data-to-action" activities, in which CHAMPS data are immediately shared at different levels and areas for improvement are identified for appropriate action. Data-to-action activities include any CHAMPS data-driven activities with the potential to improve child survival. As an example, CHAMPS surveillance strengthened the referral of critically ill patients from remote areas to the MDH and, when necessary, to the MCH. Hospital support in terms of medical supplies and surgical equipment for the health units where CHAMPS surveillance is in place has substantially contributed to the improvement of health care for patients, particularly regarding oxygen administration and enhanced provision of care at the maternity level. Furthermore, the expansion of morbidity surveillance as described above to Xinavane Rural Hospital will contribute to defining the burden of infectious diseases in this administrative post and help better guide local policies. CHAMPS has also contributed to continuous capacity building and training at all levels. For example, CHAMPS support has enabled clinical, laboratory and demography investigators to pursue – through CHAMPS – an academic track towards a PhD, and, on a more universal level, CHAMPS training on methods and procedures encompasses the hospital staff and laboratory technicians, demography supervisors and field workers. Socio-behavioral sciences research of CISM The CISM was among the pioneering African Research Centers conducting Social Behavioral Science (SBS) research, having started in 2004 alongside a clinical trial on intermittent preventive treatment in infants (IPTi) in which recruitment was hindered by rumors regarding the administration of preventive malaria tablets spread in the community 46 . The focus of the SBS team over the last 15 years has been to understand people's perceptions about health and disease (causes, prevention and treatment) and assess the feasibility, acceptability and adherence to new public health interventions to guide the implementation of studies and future interventions. This approach has produced strong evidence aligning with previous studies that had held that understanding cultural norms and practices is an essential step to assess the acceptability, practicality, feasibility and sustainability of interventions, which in turn informed the activities to investigate causes of death 7 , 45 , 47 . Before implementing a study, the SBS team conducts formative research to address the abovementioned intentions to inform the study and, in addition, community engagement is conducted to inform the best approaches for a successful activity. One innovation of CHAMPS was implementing a series of community entry and engagement activities based on interactive and participatory workshops with community leaders and community members at large. These workshops, entitled Participatory Inquiry Into Community Knowledge of Child Health and Mortality Prevention (PICK-CHAMP), adopted an approach to community involvement known as participatory rural assessment 47 , 48 , in which aspects related to infant mortality were discussed and debated, combined with CHAMPS intention to carry out surveillance of causes of death in children and stillbirths using MITS. Subsequently, two phases of formative research and community engagement activities were implemented to address concerns related to the feasibility and acceptability of implementing CHAMPS 45 . Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Laboratory capacities of CISM The CISM laboratories were established in 1997 with the aim of supporting clinical studies conducted at CISM. Since then, they have been working under international guidelines for clinical research such as Good Clinical Practice and Good Clinical Laboratory Practice (GCP and GCLP) and quality assurance with certification ISO 9001:2008 and, later on, accreditation ISO15189. CISM laboratory has a Quality Management System (QMS) with quality control allowing for regular participation in and external quality assessment for key procedures in all areas supported by external providers. Currently, the CISM laboratory is fully equipped with the latest technology, including capacity in parasitology, haematology and biochemistry, immunology, microbiology, mycobacteriology (level III laboratory) and molecular biology. CISM Scientists and laboratory staff support morbidity surveillance and study-specific protocols, allowing detection and identification of infectious organisms using standard procedures and monitoring the communities' health, focusing on pathogens of interest 30 , 35 , 38 . Extensive work on the molecular epidemiology of different pathogens in the molecular biology laboratory has contributed to describing new genotypes/serotypes or subclones 49 . Additionally, CISM mycobacteriology laboratory was one of the pioneers in assessing the burden of tuberculosis in post-mortem specimens using an in-house real-time polymerase chain reaction (PCR) and the Xpert MTB/RIF Ultra (Xpert Ultra) assay, reinforcing the available capacities 50 , 51 . While working with a wide range of samples, CISM implemented a Laboratory Information Management System (LIMS) software, which uses a unique identifier (barcode label) for sample management and archiving. This system has allowed storage of all related data in centralized databases and management of the long-lasting biobank obtained throughout decades of clinical research and surveillance studies. Under the CHAMPS grant, the laboratory capacities have been improved by introducing the CHAMPS-customized TaqMan Array Cards 52 – a quantitative PCR-based approach – for screening and detecting a wide range of pathogens of high public health interest. Furthermore, the Pathology Laboratory of the MCH has benefited from the purchase of a slide scanner, offering an opportunity for telepathology sessions between Mozambican pathologists and other experts globally as part of diagnostic improvement. The information technology, data management and analysis capacities Prior to CHAMPS, CISM already had an extensive and well-structured data management department that supported all studies conducted at CISM and offered centralized data management to multicenter studies. The The Information Technology and Data Management and Analysis department (TIGA) department guarantees the information technology services, data management and data analysis, which comprises: a) an information technology unit, which provides a network infrastructure (wired and wireless) and servers on top of which all the electronic systems run and communicate; b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; and c) a data center unit that performs data entry and storage and paper reception and archiving for paper-based data collection. Inter-Institutional Relations, Advocacy and Communications Unit The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); iii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Early learnings from the site Despite the many challenges posed by a project of this nature, CISM started CHAMPS activities respecting local beliefs and restrictions regarding the handling and managing of deceased bodies. Moreover, the expansion of MITS to the community level in March 2019, and the call of community leaders to proactively report community deaths, among others, brought a different perspective to the work of the entire CISM investigator team. Also, establishing a rumor surveillance strategy, led by the CHAMPS SBS team from CISM (and shared with other network sites), facilitated an understanding of the need to set up an emergency community-based transport system for critically ill patients after triage by community health workers. This transport system created to address one of the community's most important priorities represents a big step towards improved health for community members and encourages community acceptance of CHAMPS and MITS in this rural and poor setting and will likely help to reduce deaths related to poor access to the health care system. Additionally, CHAMPS data were critical to identifying certain potential actionable "hot issues" to reduce child mortality at different levels, as summarized in Table 2 . Table 2. CHAMPS selected actionable “hot issues” to reduce child mortality in the area at different levels of intervention. Level Proposed activities in response to CHAMPS DeCoDe findings on the preventability of deaths National level Share preliminary results and recommendations to prevent future deaths Quick diagnosis for level 3 notifiable conditions to allow an agile response from the decision-makers Improve data quality by comparing the cause of death between the Hospital and DeCoDe to allow corrections in data collected through the DHS2 * Provincial level Identify critical topics to train staff of the Ministry of Health (MOH) for better management of childhood diseases District level Share CHAMPS results with Manhiça health facilities and local government to guide new health policies Promote health fairs to raise awareness about women and child health Health facility level Train MOH staff for proper completion of medical records and death certificates Improve local capacity to prevent and control nosocomial infections Support the health facilities in training and equipment for immediate obstetric and newborn health care Improve antenatal care training for the medical staff to better identify and manage pregnancies with high obstetric risk Community and family level Radio dissemination of key messages to reduce child mortality Set up a community-based transport system for critically ill patients Share cause of death results with community leaders and families for behavior change Improve education for health and environmental sanitation Conduct family feedback with cause of death results and link families to a health facility for further care and treatment Legend : DeCoDe=panel of experts to discuss and attribute the cause of death; DHS2= Mozambican MOH software used to introduce health regarding health. * DHIS2= District Health Information Software 2 Data from CHAMPS now provide continuous monitoring of policy progress and resource allocation in Mozambique. Additionally, CHAMPS data are fed to the Mortality Platform in the ONS of Mozambique, where the CoD results are categorized in three different layers ( Table 3 ) to ensure that the information is reviewed, prioritized and acted upon according to its urgency and potential to enhance child survival. Table 3. Categorization of the cause of death results according to public health relevance, as fed into the Mortality Platform at the National Health Observatory of Mozambique. Category level Description Category 1 Common diseases in children under 5 years in Mozambique which do not require an expedited review by the Mortality Platform before the data are released. Example: malaria deaths Category 2 Rare/unexpected diseases in children under 5 years in Mozambique that are not public health emergencies. These must be reviewed by the Mortality Platform before the data are released. Example: dengue-associated deaths. Category 3 Public Health emergencies. These must be reported immediately to the National Directorate of Public Health [Direcção Nacional de Saúde Pública (DNSP)] and to the National Institute of Health [Instituto Nacional de Saúde (INS)] through the Mortality Platform. Example: an Ebola hemorrhagic fever-related death. Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Conclusions The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will contribute to a more precise picture of the main causes of child death in Mozambique and the best strategies to address the preventable causes of mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. Data availability No underlying data are associated with this article. Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y . Acknowledgements We would like to thank all the community members and local authorities who have supported and/or participated in the research to date. 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PubMed Abstract | Publisher Full Text | Free Full Text Comments on this article Comments (0) Version 3 VERSION 3 PUBLISHED 20 Jan 2023 ADD YOUR COMMENT Comment Author details Author details 1 Manhiça Health Research Center, Municipio da Vila da Manhiça, Maputo Province, 1929, Mozambique 2 Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain 3 Faculty of Medicine, Eduardo Mondlane University, Maputo, Maputo, Mozambique 4 Department of Pathology, Maputo Central Hospital, Maputo, Maputo, Mozambique 5 ISGlobal, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain 6 Department of Pathology, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain 7 CIBER Epidemiologia y Salud Publica (CIBERESP), Barcelona, Spain 8 National Institute of Health, Ministry of Health of Mozambique, Maputo, Mozambique 9 ICREA, Barcelona, Spain 10 Pediatric Department, Hospital Sant Joan de Deu- Universitat de Barcelona, Barcelona, Spain Charfudin Sacoor Roles: Methodology, Writing – Original Draft Preparation Pio Vitorino Roles: Methodology, Writing – Original Draft Preparation Ariel Nhacolo Roles: Investigation, Methodology, Writing – Review & Editing Khátia Munguambe Roles: Investigation, Methodology, Writing – Review & Editing Rita Mabunda Roles: Investigation, Methodology, Writing – Review & Editing Marcelino Garrine Roles: Investigation, Methodology, Writing – Review & Editing Edgar Jamisse Roles: Investigation, Methodology, Writing – Review & Editing Amílcar Magaço Roles: Investigation, Methodology, Writing – Review & Editing Elísio Xerinda Roles: Investigation, Methodology, Writing – Review & Editing António Sitoe Roles: Investigation, Methodology, Writing – Review & Editing Fabíola Fernandes Roles: Investigation, Methodology, Writing – Review & Editing Carla Carrilho Roles: Investigation, Methodology, Writing – Review & Editing Maria Maixenchs Roles: Investigation, Methodology, Writing – Review & Editing Percina Chirinda Roles: Investigation, Methodology, Writing – Review & Editing Tacilta Nhampossa Roles: Investigation, Methodology, Writing – Review & Editing Bento Nhancale Roles: Investigation, Methodology, Writing – Review & Editing Natalia Rakislova Roles: Investigation, Methodology, Writing – Review & Editing Justina Bramugy Roles: Investigation, Methodology, Writing – Review & Editing Arsénio Nhacolo Roles: Investigation, Methodology, Writing – Review & Editing Sara Ajanovic Roles: Investigation, Methodology, Writing – Review & Editing Marta Valente Roles: Investigation, Methodology, Writing – Review & Editing Arsénia Massinga Roles: Investigation, Methodology, Writing – Review & Editing Rosauro Varo Roles: Investigation, Methodology, Writing – Review & Editing Clara Menéndez Roles: Investigation, Methodology, Writing – Review & Editing Jaume Ordi Roles: Investigation, Methodology, Writing – Review & Editing Inácio Mandomando Roles: Conceptualization, Funding Acquisition, Investigation, Supervision, Writing – Review & Editing Quique Bassat Roles: Conceptualization, Funding Acquisition, Investigation, Supervision, Writing – Review & Editing Competing interests No competing interests were disclosed. Grant information This work is supported by Emory University, funded by The Gates Foundation (INV-009109). CISM is supported by the Government of Mozambique and the Spanish Agency for International Development (AECID). ISGlobal receives support from the Spanish Ministry of Science and Innovation through the "Centro de Excelencia Severo Ochoa 2019-2023" Program (CEX2018-000806-S) and support from the Generalitat de Catalunya through the CERCA Program. Article Versions (3) version 3 Revised Published: 13 Sep 2024, 7:4 https://doi.org/10.12688/gatesopenres.13931.3 version 2 Revised Published: 05 Sep 2024, 7:4 https://doi.org/10.12688/gatesopenres.13931.2 version 1 Published: 20 Jan 2023, 7:4 https://doi.org/10.12688/gatesopenres.13931.1 Copyright © 2024 Sacoor C et al . This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Download Export To Sciwheel Bibtex EndNote ProCite Ref. Manager (RIS) Sente metrics Views Downloads Gates Open Research - - PubMed Central info_outline Data from PMC are received and updated monthly. - - Citations open_in_new 0 open_in_new 0 open_in_new SEE MORE DETAILS CITE how to cite this article Sacoor C, Vitorino P, Nhacolo A et al. Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.12688/gatesopenres.13931.3 ) NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS track receive updates on this article Track an article to receive email alerts on any updates to this article. TRACK THIS ARTICLE Share Open Peer Review Current Reviewer Status: ? Key to Reviewer Statuses VIEW HIDE Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Version 1 VERSION 1 PUBLISHED 20 Jan 2023 Views 0 Cite How to cite this report: Juvekar S. Reviewer Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r33048 ) The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-33048 NOTE: it is important to ensure the information in square brackets after the title is included in this citation. Close Copy Citation Details Reviewer Report 25 Apr 2023 Sanjay Juvekar , Vadu Rural Health Program, KEM Hospital Research Centre, Pune, Maharashtra, Ireland; Independent Consultant, Pune, Maharashtra, India Approved VIEWS 0 https://doi.org/10.21956/gatesopenres.15225.r33048 At the outset, let me say that the paper is very nicely written and there is good clarity in every section. However, there are some edits that will make this paper even more lucid for people to understand. ... Continue reading READ ALL At the outset, let me say that the paper is very nicely written and there is good clarity in every section. However, there are some edits that will make this paper even more lucid for people to understand. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. it contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a sub title reads as "The OF information technology......". The authors need to complete it appropriately. Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumour surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section. Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Is the rationale for the Open Letter provided in sufficient detail? Yes Does the article adequately reference differing views and opinions? Yes Are all factual statements correct, and are statements and arguments made adequately supported by citations? Yes Is the Open Letter written in accessible language? Yes Where applicable, are recommendations and next steps explained clearly for others to follow? Yes Competing Interests: No competing interests were disclosed. Reviewer Expertise: Public health research, data sharing, HDSS, community based vaccine trials, burden studies. I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard. Close READ LESS CITE CITE HOW TO CITE THIS REPORT Juvekar S. Reviewer Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r33048 ) The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-33048 NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS Report a concern Author Response 04 Sep 2024 Charfudin Sacoor , Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique 04 Sep 2024 Author Response Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to ... Continue reading Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to each issue raised by Reviewer #2. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. It contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area . Answer: We appreciate the reviewer’s comments regarding the why CHAMPS in Mozambique, and we would like to clarify with the statement below that should be updated in the text: Despite the robust infrastructure and valuable mortality data provided by the Manhiça HDSS, there are limitations such as recall bias in verbal autopsies, variability in interpretations, and incomplete death certificates, particularly for home deaths. These constraints highlight the need for CHAMPS, which enhances mortality surveillance through innovative post-mortem techniques like minimally invasive tissue sampling (MITS). This approach improves accuracy and cultural acceptability, providing a more comprehensive understanding of child mortality and supporting targeted interventions to improve child survival in Manhiça. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a subtitle reads as "The OF information technology......". The authors need to complete it appropriately. Answer: We appreciate the reviewer’s revision suggested above. Thank you! The updated sentence will be: Information Technology, Data Management, and Analysis Capacities Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumor surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Answer: Firstly, I appreciate the reviewer's comments and suggestions. Below, I provide an updated statement providing more details about rumor surveillance as well as clarification about the term "instituted" on the mentioned points: Rumor Surveillance Implementation and Frequency. Here we are providing the updated statement: Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Institutionalization of Rumor Surveillance: The term "instituted" implies that this practice was not only initiated for the CHAMPS project but was also intended to be established as a continuous, institutional activity within CISM. The successful implementation in Manhiça served as a model and was subsequently replicated at places in Mozambique where CISM is working and among other CHAMPS sites, highlighting its importance and effectiveness as an ongoing strategy to maintain community trust and support. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The updated statement will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); ii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The conclusion statement will be: The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça, leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will provide a clearer picture of the main causes of child death in Mozambique and the best strategies to address preventable mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. . Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section . Answer: We appreciate the reviewer’s comments on this issue. Thank you! An additional sentence was added to the statement to clarify the location and ownership of primary data and how this can be accessed. Now the statement will be: Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Answer: We appreciate the reviewer’s comments and suggestions. Thank you! A specific ethical consideration statement was added to explain the procedures in place regarding CHAMPS activities: Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Again we thank reviewer #1 and reviewer #2 for their comments that will help to improve the manuscript. As per your instructions, all changes made to the main body of the text are presented in track change in the updated version of the manuscript. Corresponding author Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to each issue raised by Reviewer #2. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. It contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area . Answer: We appreciate the reviewer’s comments regarding the why CHAMPS in Mozambique, and we would like to clarify with the statement below that should be updated in the text: Despite the robust infrastructure and valuable mortality data provided by the Manhiça HDSS, there are limitations such as recall bias in verbal autopsies, variability in interpretations, and incomplete death certificates, particularly for home deaths. These constraints highlight the need for CHAMPS, which enhances mortality surveillance through innovative post-mortem techniques like minimally invasive tissue sampling (MITS). This approach improves accuracy and cultural acceptability, providing a more comprehensive understanding of child mortality and supporting targeted interventions to improve child survival in Manhiça. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a subtitle reads as "The OF information technology......". The authors need to complete it appropriately. Answer: We appreciate the reviewer’s revision suggested above. Thank you! The updated sentence will be: Information Technology, Data Management, and Analysis Capacities Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumor surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Answer: Firstly, I appreciate the reviewer's comments and suggestions. Below, I provide an updated statement providing more details about rumor surveillance as well as clarification about the term "instituted" on the mentioned points: Rumor Surveillance Implementation and Frequency. Here we are providing the updated statement: Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Institutionalization of Rumor Surveillance: The term "instituted" implies that this practice was not only initiated for the CHAMPS project but was also intended to be established as a continuous, institutional activity within CISM. The successful implementation in Manhiça served as a model and was subsequently replicated at places in Mozambique where CISM is working and among other CHAMPS sites, highlighting its importance and effectiveness as an ongoing strategy to maintain community trust and support. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The updated statement will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); ii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The conclusion statement will be: The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça, leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will provide a clearer picture of the main causes of child death in Mozambique and the best strategies to address preventable mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. . Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section . Answer: We appreciate the reviewer’s comments on this issue. Thank you! An additional sentence was added to the statement to clarify the location and ownership of primary data and how this can be accessed. Now the statement will be: Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Answer: We appreciate the reviewer’s comments and suggestions. Thank you! A specific ethical consideration statement was added to explain the procedures in place regarding CHAMPS activities: Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Again we thank reviewer #1 and reviewer #2 for their comments that will help to improve the manuscript. As per your instructions, all changes made to the main body of the text are presented in track change in the updated version of the manuscript. Corresponding author Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique Competing Interests: No competing interests were disclosed. Close Report a concern Respond or Comment COMMENTS ON THIS REPORT Author Response 04 Sep 2024 Charfudin Sacoor , Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique 04 Sep 2024 Author Response Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to ... Continue reading Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to each issue raised by Reviewer #2. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. It contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area . Answer: We appreciate the reviewer’s comments regarding the why CHAMPS in Mozambique, and we would like to clarify with the statement below that should be updated in the text: Despite the robust infrastructure and valuable mortality data provided by the Manhiça HDSS, there are limitations such as recall bias in verbal autopsies, variability in interpretations, and incomplete death certificates, particularly for home deaths. These constraints highlight the need for CHAMPS, which enhances mortality surveillance through innovative post-mortem techniques like minimally invasive tissue sampling (MITS). This approach improves accuracy and cultural acceptability, providing a more comprehensive understanding of child mortality and supporting targeted interventions to improve child survival in Manhiça. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a subtitle reads as "The OF information technology......". The authors need to complete it appropriately. Answer: We appreciate the reviewer’s revision suggested above. Thank you! The updated sentence will be: Information Technology, Data Management, and Analysis Capacities Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumor surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Answer: Firstly, I appreciate the reviewer's comments and suggestions. Below, I provide an updated statement providing more details about rumor surveillance as well as clarification about the term "instituted" on the mentioned points: Rumor Surveillance Implementation and Frequency. Here we are providing the updated statement: Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Institutionalization of Rumor Surveillance: The term "instituted" implies that this practice was not only initiated for the CHAMPS project but was also intended to be established as a continuous, institutional activity within CISM. The successful implementation in Manhiça served as a model and was subsequently replicated at places in Mozambique where CISM is working and among other CHAMPS sites, highlighting its importance and effectiveness as an ongoing strategy to maintain community trust and support. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The updated statement will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); ii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The conclusion statement will be: The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça, leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will provide a clearer picture of the main causes of child death in Mozambique and the best strategies to address preventable mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. . Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section . Answer: We appreciate the reviewer’s comments on this issue. Thank you! An additional sentence was added to the statement to clarify the location and ownership of primary data and how this can be accessed. Now the statement will be: Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Answer: We appreciate the reviewer’s comments and suggestions. Thank you! A specific ethical consideration statement was added to explain the procedures in place regarding CHAMPS activities: Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Again we thank reviewer #1 and reviewer #2 for their comments that will help to improve the manuscript. As per your instructions, all changes made to the main body of the text are presented in track change in the updated version of the manuscript. Corresponding author Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to each issue raised by Reviewer #2. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. It contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area . Answer: We appreciate the reviewer’s comments regarding the why CHAMPS in Mozambique, and we would like to clarify with the statement below that should be updated in the text: Despite the robust infrastructure and valuable mortality data provided by the Manhiça HDSS, there are limitations such as recall bias in verbal autopsies, variability in interpretations, and incomplete death certificates, particularly for home deaths. These constraints highlight the need for CHAMPS, which enhances mortality surveillance through innovative post-mortem techniques like minimally invasive tissue sampling (MITS). This approach improves accuracy and cultural acceptability, providing a more comprehensive understanding of child mortality and supporting targeted interventions to improve child survival in Manhiça. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a subtitle reads as "The OF information technology......". The authors need to complete it appropriately. Answer: We appreciate the reviewer’s revision suggested above. Thank you! The updated sentence will be: Information Technology, Data Management, and Analysis Capacities Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumor surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Answer: Firstly, I appreciate the reviewer's comments and suggestions. Below, I provide an updated statement providing more details about rumor surveillance as well as clarification about the term "instituted" on the mentioned points: Rumor Surveillance Implementation and Frequency. Here we are providing the updated statement: Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Institutionalization of Rumor Surveillance: The term "instituted" implies that this practice was not only initiated for the CHAMPS project but was also intended to be established as a continuous, institutional activity within CISM. The successful implementation in Manhiça served as a model and was subsequently replicated at places in Mozambique where CISM is working and among other CHAMPS sites, highlighting its importance and effectiveness as an ongoing strategy to maintain community trust and support. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The updated statement will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); ii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The conclusion statement will be: The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça, leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will provide a clearer picture of the main causes of child death in Mozambique and the best strategies to address preventable mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. . Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section . Answer: We appreciate the reviewer’s comments on this issue. Thank you! An additional sentence was added to the statement to clarify the location and ownership of primary data and how this can be accessed. Now the statement will be: Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Answer: We appreciate the reviewer’s comments and suggestions. Thank you! A specific ethical consideration statement was added to explain the procedures in place regarding CHAMPS activities: Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Again we thank reviewer #1 and reviewer #2 for their comments that will help to improve the manuscript. As per your instructions, all changes made to the main body of the text are presented in track change in the updated version of the manuscript. Corresponding author Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique Competing Interests: No competing interests were disclosed. Close Report a concern COMMENT ON THIS REPORT Views 0 Cite How to cite this report: Collinson M. Reviewer Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r32866 ) The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-32866 NOTE: it is important to ensure the information in square brackets after the title is included in this citation. Close Copy Citation Details Reviewer Report 03 Mar 2023 Mark Collinson , MRC/Wits Rural Public Health and Health Transitions Research Unit, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa Approved VIEWS 0 https://doi.org/10.21956/gatesopenres.15225.r32866 This open letter provides a site description of a known and respected Health and Demographic Surveillance System (HDSS) in Mozambique, the Manhiça HDSS run by the Manhiça Health Research Center (CISM). It is a valuable contribution to knowledge because it ... Continue reading READ ALL This open letter provides a site description of a known and respected Health and Demographic Surveillance System (HDSS) in Mozambique, the Manhiça HDSS run by the Manhiça Health Research Center (CISM). It is a valuable contribution to knowledge because it provides a description of the research platform and the foundational methodology and purpose of the CHAMPS programme. The Manhiça HDSS in Mozambique was the first HDSS to implement the CHAMPS methods and implement the developments for improving the precision of and knowledge on child, infant and neonatal mortality. Overall, the manuscript contains what it needs to be published and is well written, but three things need to be addressed and several minor text edits considered. Issues to be addressed: A short description on the migration patterns in this context would be good. A paragraph on strengths and weaknesses of the HDSS method would be helpful. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” Is the rationale for the Open Letter provided in sufficient detail? Yes Does the article adequately reference differing views and opinions? Yes Are all factual statements correct, and are statements and arguments made adequately supported by citations? Yes Is the Open Letter written in accessible language? Yes Where applicable, are recommendations and next steps explained clearly for others to follow? Partly Competing Interests: No competing interests were disclosed. Reviewer Expertise: Population and Public Health I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard. Close READ LESS CITE CITE HOW TO CITE THIS REPORT Collinson M. Reviewer Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r32866 ) The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-32866 NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS Report a concern Author Response 28 Aug 2024 Charfudin Sacoor , Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique 28 Aug 2024 Author Response First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will ... Continue reading First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will require some minor edits on the current version of manuscript: A short description on the migration patterns in this context would be good Manhiça and most of the rural districts in southern Mozambique are the main points of origin for migrants living or in permanent exchanging with South Africa, Eswatini and the greater Maputo city region. Historically, these rural areas have provided large numbers of labour migrants to work in mines and on commercial farms in these two neighbouring countries but also to seek better living conditions in the Mozambican capital. In 2019, immediately before the Covid-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person year’s observation (pyrs) among males and 77.7 per 1000 pyrs among females. During the pandemic period, specifically for the year 2021, the external out-migration rate became 65.3 per among males and 60.4 per 1000 pyrs among females. The out-migration phenomenon is accentuated in the young population, especially in the 15-39 age interval. In relation to external in-migration, considering the year before the start of the covid-19 pandemic (2019), we can see the same trend if compared with external out-migration, where males present the highest rate of in-migration if compared with the rate in females, therefore being 46.3 per 1000 pyrs males and 43.7 per 1000 pyrs for females. During 2021, in the course of the pandemic the external in-migration was 27.3 and 27.5 per 1000 for male and females respectively. An important aspect to mention, is high excess of the external in-migration among children under age of five (rate of 40-68 per 1000 pyrs during these 3 years), probably brought from outside the study area to stay with their grandparents or even accompanying their parents when their return to establish in Manhiça. A paragraph on strengths and weaknesses of the HDSS method would be helpful. The HDSS and the Manhiça HDSS in particular provides ongoing and periodically updated households and population counts (births, deaths, pregnancy, migration) and other relevant socio-demographic information such as households characteristics, socio-economic status of the households, etc . This platform is also important to understand how local contextual factors, environmental, demographic, and programmatic factors can affect the health outcomes. In Manhiça, children under the age of 15 years including children under 5 years who are part of CHAMPS study, their outpatient and in-patient visits to the health facilities within the HDSS are also collected. In addition, this platform allows conducting clinical trials, monitor the national and global health intervention and programmes as well as to computed accurate demographic and epidemiological indicators. Due to spatial limitation, data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also some issues to consider as weaknesses of this method. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. As HDSS deals with enumerations from households and all data, collection follows institutional, national and international policies and procedures or guidelines for protecting information from human participants and maintaining confidentiality. Informed consent are provide to enrol every member of the HDSS. Verbal consent is asked during the follow-up visits or update rounds. Additional informed consent is required for verbal autopsy data collection. For each specific study, despite the participants being consented to be part of the HDSS, it will require to sign the study specific informed consent to recruit a participant. Depending on the type of studies, the protocols that do not involve vulnerable participants, the collection of biological samples or invasive studies, these are reviewed by the Institutional bioethics committee and for more complex studies, protocols are first reviewed by the institutional ethics committee and then submitted to the National Bioethics Committee for Health also to be reviewed by this committee. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 1. Answer: We appreciate the reviewer’s edits suggested above. Thank you!. The updated heading will be: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 2. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: T he sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kit used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years [2, 3] 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 3. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The district is located on a plain , surrounded by the Incomati River, covering an area of 2.380km² This district has two distinct climate seasons. 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 4. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The warm season (November to April) coincides with most of the rainfall (900 - 1100 mm on average) and is followed by a cool and dry season lasting for the rest of the year. 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 5. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Table 1. Selected demographic and public health indicators in Mozambique and Manhiça HDSS. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 6. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated header in the third column of table 1 will be: Manhiça HDSS (year 2020) 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 7. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country , including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine [23] , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) [24, 25] ), the treatment of malaria [26, 27] , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children ADDIN EN.CITE.DATA [28-33] . 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 8. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 9. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Briefly, it includes three three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 10. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 11. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The validation studies, also conducted in Maputo Central Hospital (MCH). 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 12. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The Information Technology and Data Management and Analysis department (TIGA, abbreviation in Portuguese) guarantees the information technology services, data management and data analysis, which comprises: 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 13. Answer: We appreciate these edits. Thank you! The updated sentence will be: b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 14. Answer: We appreciate these edits. Thank you! The updated sentence will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 15. Answer: We appreciate these edits. Thank you! The updated sentence will be: Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 16. Answer: We appreciate these comments. Thank you! The updated sentence will be: Improve data quality by comparing the cause of death between the Hospital and Determination of Cause of Death (DeCoDe) to allow corrections in data collected through the District Health Information Software 2 (DHIS2) 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” 17. Answer: We appreciate these comments. Thank you! The updated sentence will be: This new site will surely benefit from the capacity and expertise transfer from the original CHAMPS site in Manhiça. Results from Quelimane, in addition to the lessons learned from Manhiça, will contribute to a more precise picture of the principal causes of child death in the country, along with the best strategies to address the preventable causes of mortality. First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will require some minor edits on the current version of manuscript: A short description on the migration patterns in this context would be good Manhiça and most of the rural districts in southern Mozambique are the main points of origin for migrants living or in permanent exchanging with South Africa, Eswatini and the greater Maputo city region. Historically, these rural areas have provided large numbers of labour migrants to work in mines and on commercial farms in these two neighbouring countries but also to seek better living conditions in the Mozambican capital. In 2019, immediately before the Covid-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person year’s observation (pyrs) among males and 77.7 per 1000 pyrs among females. During the pandemic period, specifically for the year 2021, the external out-migration rate became 65.3 per among males and 60.4 per 1000 pyrs among females. The out-migration phenomenon is accentuated in the young population, especially in the 15-39 age interval. In relation to external in-migration, considering the year before the start of the covid-19 pandemic (2019), we can see the same trend if compared with external out-migration, where males present the highest rate of in-migration if compared with the rate in females, therefore being 46.3 per 1000 pyrs males and 43.7 per 1000 pyrs for females. During 2021, in the course of the pandemic the external in-migration was 27.3 and 27.5 per 1000 for male and females respectively. An important aspect to mention, is high excess of the external in-migration among children under age of five (rate of 40-68 per 1000 pyrs during these 3 years), probably brought from outside the study area to stay with their grandparents or even accompanying their parents when their return to establish in Manhiça. A paragraph on strengths and weaknesses of the HDSS method would be helpful. The HDSS and the Manhiça HDSS in particular provides ongoing and periodically updated households and population counts (births, deaths, pregnancy, migration) and other relevant socio-demographic information such as households characteristics, socio-economic status of the households, etc . This platform is also important to understand how local contextual factors, environmental, demographic, and programmatic factors can affect the health outcomes. In Manhiça, children under the age of 15 years including children under 5 years who are part of CHAMPS study, their outpatient and in-patient visits to the health facilities within the HDSS are also collected. In addition, this platform allows conducting clinical trials, monitor the national and global health intervention and programmes as well as to computed accurate demographic and epidemiological indicators. Due to spatial limitation, data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also some issues to consider as weaknesses of this method. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. As HDSS deals with enumerations from households and all data, collection follows institutional, national and international policies and procedures or guidelines for protecting information from human participants and maintaining confidentiality. Informed consent are provide to enrol every member of the HDSS. Verbal consent is asked during the follow-up visits or update rounds. Additional informed consent is required for verbal autopsy data collection. For each specific study, despite the participants being consented to be part of the HDSS, it will require to sign the study specific informed consent to recruit a participant. Depending on the type of studies, the protocols that do not involve vulnerable participants, the collection of biological samples or invasive studies, these are reviewed by the Institutional bioethics committee and for more complex studies, protocols are first reviewed by the institutional ethics committee and then submitted to the National Bioethics Committee for Health also to be reviewed by this committee. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 1. Answer: We appreciate the reviewer’s edits suggested above. Thank you!. The updated heading will be: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 2. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: T he sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kit used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years [2, 3] 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 3. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The district is located on a plain , surrounded by the Incomati River, covering an area of 2.380km² This district has two distinct climate seasons. 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 4. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The warm season (November to April) coincides with most of the rainfall (900 - 1100 mm on average) and is followed by a cool and dry season lasting for the rest of the year. 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 5. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Table 1. Selected demographic and public health indicators in Mozambique and Manhiça HDSS. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 6. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated header in the third column of table 1 will be: Manhiça HDSS (year 2020) 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 7. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country , including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine [23] , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) [24, 25] ), the treatment of malaria [26, 27] , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children ADDIN EN.CITE.DATA [28-33] . 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 8. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 9. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Briefly, it includes three three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 10. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 11. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The validation studies, also conducted in Maputo Central Hospital (MCH). 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 12. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The Information Technology and Data Management and Analysis department (TIGA, abbreviation in Portuguese) guarantees the information technology services, data management and data analysis, which comprises: 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 13. Answer: We appreciate these edits. Thank you! The updated sentence will be: b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 14. Answer: We appreciate these edits. Thank you! The updated sentence will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 15. Answer: We appreciate these edits. Thank you! The updated sentence will be: Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 16. Answer: We appreciate these comments. Thank you! The updated sentence will be: Improve data quality by comparing the cause of death between the Hospital and Determination of Cause of Death (DeCoDe) to allow corrections in data collected through the District Health Information Software 2 (DHIS2) 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” 17. Answer: We appreciate these comments. Thank you! The updated sentence will be: This new site will surely benefit from the capacity and expertise transfer from the original CHAMPS site in Manhiça. Results from Quelimane, in addition to the lessons learned from Manhiça, will contribute to a more precise picture of the principal causes of child death in the country, along with the best strategies to address the preventable causes of mortality. Competing Interests: No competing interests were disclosed. Close Report a concern Respond or Comment COMMENTS ON THIS REPORT Author Response 28 Aug 2024 Charfudin Sacoor , Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique 28 Aug 2024 Author Response First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will ... Continue reading First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will require some minor edits on the current version of manuscript: A short description on the migration patterns in this context would be good Manhiça and most of the rural districts in southern Mozambique are the main points of origin for migrants living or in permanent exchanging with South Africa, Eswatini and the greater Maputo city region. Historically, these rural areas have provided large numbers of labour migrants to work in mines and on commercial farms in these two neighbouring countries but also to seek better living conditions in the Mozambican capital. In 2019, immediately before the Covid-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person year’s observation (pyrs) among males and 77.7 per 1000 pyrs among females. During the pandemic period, specifically for the year 2021, the external out-migration rate became 65.3 per among males and 60.4 per 1000 pyrs among females. The out-migration phenomenon is accentuated in the young population, especially in the 15-39 age interval. In relation to external in-migration, considering the year before the start of the covid-19 pandemic (2019), we can see the same trend if compared with external out-migration, where males present the highest rate of in-migration if compared with the rate in females, therefore being 46.3 per 1000 pyrs males and 43.7 per 1000 pyrs for females. During 2021, in the course of the pandemic the external in-migration was 27.3 and 27.5 per 1000 for male and females respectively. An important aspect to mention, is high excess of the external in-migration among children under age of five (rate of 40-68 per 1000 pyrs during these 3 years), probably brought from outside the study area to stay with their grandparents or even accompanying their parents when their return to establish in Manhiça. A paragraph on strengths and weaknesses of the HDSS method would be helpful. The HDSS and the Manhiça HDSS in particular provides ongoing and periodically updated households and population counts (births, deaths, pregnancy, migration) and other relevant socio-demographic information such as households characteristics, socio-economic status of the households, etc . This platform is also important to understand how local contextual factors, environmental, demographic, and programmatic factors can affect the health outcomes. In Manhiça, children under the age of 15 years including children under 5 years who are part of CHAMPS study, their outpatient and in-patient visits to the health facilities within the HDSS are also collected. In addition, this platform allows conducting clinical trials, monitor the national and global health intervention and programmes as well as to computed accurate demographic and epidemiological indicators. Due to spatial limitation, data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also some issues to consider as weaknesses of this method. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. As HDSS deals with enumerations from households and all data, collection follows institutional, national and international policies and procedures or guidelines for protecting information from human participants and maintaining confidentiality. Informed consent are provide to enrol every member of the HDSS. Verbal consent is asked during the follow-up visits or update rounds. Additional informed consent is required for verbal autopsy data collection. For each specific study, despite the participants being consented to be part of the HDSS, it will require to sign the study specific informed consent to recruit a participant. Depending on the type of studies, the protocols that do not involve vulnerable participants, the collection of biological samples or invasive studies, these are reviewed by the Institutional bioethics committee and for more complex studies, protocols are first reviewed by the institutional ethics committee and then submitted to the National Bioethics Committee for Health also to be reviewed by this committee. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 1. Answer: We appreciate the reviewer’s edits suggested above. Thank you!. The updated heading will be: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 2. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: T he sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kit used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years [2, 3] 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 3. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The district is located on a plain , surrounded by the Incomati River, covering an area of 2.380km² This district has two distinct climate seasons. 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 4. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The warm season (November to April) coincides with most of the rainfall (900 - 1100 mm on average) and is followed by a cool and dry season lasting for the rest of the year. 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 5. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Table 1. Selected demographic and public health indicators in Mozambique and Manhiça HDSS. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 6. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated header in the third column of table 1 will be: Manhiça HDSS (year 2020) 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 7. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country , including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine [23] , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) [24, 25] ), the treatment of malaria [26, 27] , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children ADDIN EN.CITE.DATA [28-33] . 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 8. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 9. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Briefly, it includes three three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 10. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 11. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The validation studies, also conducted in Maputo Central Hospital (MCH). 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 12. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The Information Technology and Data Management and Analysis department (TIGA, abbreviation in Portuguese) guarantees the information technology services, data management and data analysis, which comprises: 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 13. Answer: We appreciate these edits. Thank you! The updated sentence will be: b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 14. Answer: We appreciate these edits. Thank you! The updated sentence will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 15. Answer: We appreciate these edits. Thank you! The updated sentence will be: Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 16. Answer: We appreciate these comments. Thank you! The updated sentence will be: Improve data quality by comparing the cause of death between the Hospital and Determination of Cause of Death (DeCoDe) to allow corrections in data collected through the District Health Information Software 2 (DHIS2) 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” 17. Answer: We appreciate these comments. Thank you! The updated sentence will be: This new site will surely benefit from the capacity and expertise transfer from the original CHAMPS site in Manhiça. Results from Quelimane, in addition to the lessons learned from Manhiça, will contribute to a more precise picture of the principal causes of child death in the country, along with the best strategies to address the preventable causes of mortality. First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will require some minor edits on the current version of manuscript: A short description on the migration patterns in this context would be good Manhiça and most of the rural districts in southern Mozambique are the main points of origin for migrants living or in permanent exchanging with South Africa, Eswatini and the greater Maputo city region. Historically, these rural areas have provided large numbers of labour migrants to work in mines and on commercial farms in these two neighbouring countries but also to seek better living conditions in the Mozambican capital. In 2019, immediately before the Covid-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person year’s observation (pyrs) among males and 77.7 per 1000 pyrs among females. During the pandemic period, specifically for the year 2021, the external out-migration rate became 65.3 per among males and 60.4 per 1000 pyrs among females. The out-migration phenomenon is accentuated in the young population, especially in the 15-39 age interval. In relation to external in-migration, considering the year before the start of the covid-19 pandemic (2019), we can see the same trend if compared with external out-migration, where males present the highest rate of in-migration if compared with the rate in females, therefore being 46.3 per 1000 pyrs males and 43.7 per 1000 pyrs for females. During 2021, in the course of the pandemic the external in-migration was 27.3 and 27.5 per 1000 for male and females respectively. An important aspect to mention, is high excess of the external in-migration among children under age of five (rate of 40-68 per 1000 pyrs during these 3 years), probably brought from outside the study area to stay with their grandparents or even accompanying their parents when their return to establish in Manhiça. A paragraph on strengths and weaknesses of the HDSS method would be helpful. The HDSS and the Manhiça HDSS in particular provides ongoing and periodically updated households and population counts (births, deaths, pregnancy, migration) and other relevant socio-demographic information such as households characteristics, socio-economic status of the households, etc . This platform is also important to understand how local contextual factors, environmental, demographic, and programmatic factors can affect the health outcomes. In Manhiça, children under the age of 15 years including children under 5 years who are part of CHAMPS study, their outpatient and in-patient visits to the health facilities within the HDSS are also collected. In addition, this platform allows conducting clinical trials, monitor the national and global health intervention and programmes as well as to computed accurate demographic and epidemiological indicators. Due to spatial limitation, data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also some issues to consider as weaknesses of this method. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. As HDSS deals with enumerations from households and all data, collection follows institutional, national and international policies and procedures or guidelines for protecting information from human participants and maintaining confidentiality. Informed consent are provide to enrol every member of the HDSS. Verbal consent is asked during the follow-up visits or update rounds. Additional informed consent is required for verbal autopsy data collection. For each specific study, despite the participants being consented to be part of the HDSS, it will require to sign the study specific informed consent to recruit a participant. Depending on the type of studies, the protocols that do not involve vulnerable participants, the collection of biological samples or invasive studies, these are reviewed by the Institutional bioethics committee and for more complex studies, protocols are first reviewed by the institutional ethics committee and then submitted to the National Bioethics Committee for Health also to be reviewed by this committee. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 1. Answer: We appreciate the reviewer’s edits suggested above. Thank you!. The updated heading will be: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 2. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: T he sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kit used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years [2, 3] 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 3. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The district is located on a plain , surrounded by the Incomati River, covering an area of 2.380km² This district has two distinct climate seasons. 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 4. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The warm season (November to April) coincides with most of the rainfall (900 - 1100 mm on average) and is followed by a cool and dry season lasting for the rest of the year. 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 5. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Table 1. Selected demographic and public health indicators in Mozambique and Manhiça HDSS. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 6. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated header in the third column of table 1 will be: Manhiça HDSS (year 2020) 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 7. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country , including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine [23] , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) [24, 25] ), the treatment of malaria [26, 27] , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children ADDIN EN.CITE.DATA [28-33] . 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 8. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 9. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Briefly, it includes three three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 10. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 11. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The validation studies, also conducted in Maputo Central Hospital (MCH). 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 12. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The Information Technology and Data Management and Analysis department (TIGA, abbreviation in Portuguese) guarantees the information technology services, data management and data analysis, which comprises: 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 13. Answer: We appreciate these edits. Thank you! The updated sentence will be: b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 14. Answer: We appreciate these edits. Thank you! The updated sentence will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 15. Answer: We appreciate these edits. Thank you! The updated sentence will be: Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 16. Answer: We appreciate these comments. Thank you! The updated sentence will be: Improve data quality by comparing the cause of death between the Hospital and Determination of Cause of Death (DeCoDe) to allow corrections in data collected through the District Health Information Software 2 (DHIS2) 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” 17. Answer: We appreciate these comments. Thank you! The updated sentence will be: This new site will surely benefit from the capacity and expertise transfer from the original CHAMPS site in Manhiça. Results from Quelimane, in addition to the lessons learned from Manhiça, will contribute to a more precise picture of the principal causes of child death in the country, along with the best strategies to address the preventable causes of mortality. Competing Interests: No competing interests were disclosed. Close Report a concern COMMENT ON THIS REPORT Comments on this article Comments (0) Version 3 VERSION 3 PUBLISHED 20 Jan 2023 ADD YOUR COMMENT Comment keyboard_arrow_left keyboard_arrow_right Open Peer Review Reviewer Status info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Reviewer Reports Invited Reviewers 1 2 Version 3 (revision) 13 Sep 24 Version 2 (revision) 05 Sep 24 Version 1 20 Jan 23 read read Mark Collinson , University of the Witwatersrand, Johannesburg, South Africa Sanjay Juvekar , KEM Hospital Research Centre, Pune, Ireland; Independent Consultant, Pune, India Comments on this article All Comments (0) Add a comment Sign up for content alerts Sign Up You are now signed up to receive this alert keyboard_arrow_left Back to all reports Reviewer Report 0 Views copyright © 2023 Juvekar S. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 25 Apr 2023 | for Version 1 Sanjay Juvekar , Vadu Rural Health Program, KEM Hospital Research Centre, Pune, Maharashtra, Ireland; Independent Consultant, Pune, Maharashtra, India 0 Views copyright © 2023 Juvekar S. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. format_quote Cite this report speaker_notes Responses (1) Approved info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions At the outset, let me say that the paper is very nicely written and there is good clarity in every section. However, there are some edits that will make this paper even more lucid for people to understand. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. it contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a sub title reads as "The OF information technology......". The authors need to complete it appropriately. Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumour surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section. Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Is the rationale for the Open Letter provided in sufficient detail? Yes Does the article adequately reference differing views and opinions? Yes Are all factual statements correct, and are statements and arguments made adequately supported by citations? Yes Is the Open Letter written in accessible language? Yes Where applicable, are recommendations and next steps explained clearly for others to follow? Yes Competing Interests No competing interests were disclosed. Reviewer Expertise Public health research, data sharing, HDSS, community based vaccine trials, burden studies. I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard. reply Respond to this report Responses (1) Author Response 04 Sep 2024 Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique Thank you for your positive preliminary appraisal of the manuscript and for providing the feedback. We have carefully considered their comments. Below, you will find our detailed, point-by-point responses to each issue raised by Reviewer #2. Page 03 of 22: Why CHAMPS in Mozambique? The previous sections describe how good the CISM system is in place especially the HDSS. It contradicts the justification but if in addition, if you are able to give limitations of HDSS in getting mortality information in its totality, it will support the need of CHAMPS in your area . Answer: We appreciate the reviewer’s comments regarding the why CHAMPS in Mozambique, and we would like to clarify with the statement below that should be updated in the text: Despite the robust infrastructure and valuable mortality data provided by the Manhiça HDSS, there are limitations such as recall bias in verbal autopsies, variability in interpretations, and incomplete death certificates, particularly for home deaths. These constraints highlight the need for CHAMPS, which enhances mortality surveillance through innovative post-mortem techniques like minimally invasive tissue sampling (MITS). This approach improves accuracy and cultural acceptability, providing a more comprehensive understanding of child mortality and supporting targeted interventions to improve child survival in Manhiça. As reviewer one has brought up all grammar & composition mistakes, I agree with all of those and I am not repeating except one on Page 9 of 22, a subtitle reads as "The OF information technology......". The authors need to complete it appropriately. Answer: We appreciate the reviewer’s revision suggested above. Thank you! The updated sentence will be: Information Technology, Data Management, and Analysis Capacities Page 9 of 22: there is a mention of ".....rumor surveillance was instituted in the CHAMPS umbrella". Two points here. One - it will be better if you clarify as to how exactly was the rumor surveillance done and at what frequency. Second, you mention it was instituted - do you mean to say it was initiated for this particular project and you want to make it an institutional activity which obviously makes more sense and only in the latter case the word instituted makes more sense. Otherwise one could simply say it was initiated. Answer: Firstly, I appreciate the reviewer's comments and suggestions. Below, I provide an updated statement providing more details about rumor surveillance as well as clarification about the term "instituted" on the mentioned points: Rumor Surveillance Implementation and Frequency. Here we are providing the updated statement: Also, under the CHAMPS umbrella, rumor surveillance was instituted in the Manhiça district to anticipate possible rumors or misinformation regarding the conduct of MITS and other research studies conducted at CISM. This activity was based on establishing an active daily community information gathering system, in which CHAMPS fieldwork team and some key informants from the communities reported back to the CHAMPS community engagement team any (mis)information shared and spread among community members. The (mis)information assessed and classified as a rumor deserved a thorough follow-up and resolution from within the community and with the involvement of all key actors in the community. This approach was replicated to other CHAMPS sites Institutionalization of Rumor Surveillance: The term "instituted" implies that this practice was not only initiated for the CHAMPS project but was also intended to be established as a continuous, institutional activity within CISM. The successful implementation in Manhiça served as a model and was subsequently replicated at places in Mozambique where CISM is working and among other CHAMPS sites, highlighting its importance and effectiveness as an ongoing strategy to maintain community trust and support. Page 9 of 22: In section Inter Institutional, Advocacy & Communication Unit the point iii) mentions Disseminating data to inform public health policies and actions in real time. This is ambiguous, it needs explanation and maybe citing an example to support the statement. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The updated statement will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. In the context of CHAMPS, the URIAC’s main goal is to ensure good visibility and image of the program and four other specific objectives: i) ensuring an adequate flow of information sharing between the communication teams of the different sites; ii) ensuring the flow of information sharing and definition of messages on mortality within the scope of the National Health Observatory in Mozambique (Observatório Nacional de Saúde - ONS); ii) disseminating data to inform public health policies and actions in real-time (through the Emory University dashboard). At the national level, CHAMPS shares data with the National Directorate of Public Health at the Ministry of Health, where all the Public Health Programs (HIV, Malaria, Tuberculosis, and tropical neglected diseases) are represented. The data is also shared with the INS Mortality Platform, which includes Health Partners (governmental and non-governmental). In addition, infographics and policy briefs (HIV and prematurity) are produced to inform public authorities to contribute to the development of concrete strategies to reduce child mortality in the country; and iv) ensure scientific dissemination and visibility of activities. Through CHAMPS, CISM has established contact with the communication team of the National Health Institute, created a database of journalists from the main media in Manhiça and the province of Zambézia (where the second CHAMPS site is now running), and improved the capacity of journalists and members of the communication team to disseminate activities on topics related to ongoing studies on causes of death. Page 10 of 22: In the conclusions there are three places where more clear explanation is needed or need elaboration. This is necessary as all these three statements appear to be abstract if not supported with explanation. It includes: 5a) Positive changes were triggered by CHAMPS in CISM mortality surveillance. 5b) Myriad of possibilities. 5c) Many exciting opportunities have arisen. Answer: We appreciate the reviewer’s comments and suggestion. Thank you! The conclusion statement will be: The CHAMPS activities have brought significant improvements to CISM's mortality surveillance by implementing advanced diagnostic techniques, better death notification and data management, and enhanced training for healthcare workers and community members, especially mothers and community leaders. This has led to more accurate and comprehensive tracking of mortality causes. The project results have unveiled numerous possibilities for designing evidence-based policies to improve child survival. This includes targeted interventions based on identified risk factors, which can inform public health strategies and tailor healthcare services to local needs. The high-quality data generated by CHAMPS have created opportunities for collaboration with health organizations, innovative research, and real-time monitoring of health interventions. The main challenge is to effectively use this data to drive impactful public health changes, such as developing robust data-sharing platforms and engaging policymakers with actionable insights. Due to the noted decline in child mortality in Manhiça, CHAMPS activities have expanded to Quelimane, where child mortality rates are the highest in the country. This expansion aims to replicate successful strategies from Manhiça, leveraging the transfer of expertise and capacity. Findings from Quelimane, combined with lessons from Manhiça, will provide a clearer picture of the main causes of child death in Mozambique and the best strategies to address preventable mortality. This comprehensive approach will help craft tailored public health policies, ultimately improving child health outcomes across the country. . Data Availability: The data availability is very clear but when we click the link to access data, it is confusing because it does not inform who owns the data. I am very concerned about this; making data available publicly is absolutely fine in the global interest but the ownership of these data must be very clearly mentioned which it doesn't. It gives a sense as if CHAMPS is the owner of the data which it is not in reality. In this case, Mozambique as a country owns the data and data availability must clearly mention that the data ownership is with the site and the country and that the data will be made available on CHAMPS data portal etc. As a reviewer of the manuscript, I am aware that I have no right to comment on CHAMPS portal and hence I am only saying that data ownership and custodianship needs to be clearly mentioned in this section . Answer: We appreciate the reviewer’s comments on this issue. Thank you! An additional sentence was added to the statement to clarify the location and ownership of primary data and how this can be accessed. Now the statement will be: Raw and primary data collected within the scope of the CHAMPS project in Mozambique are stored on CISM servers as the primary owner. For access and use, these must comply with the institutional and ethical requirements of the country, subject to CHAMPS approval. Summarized and aggregate data from the project are publicly available through the CHAMPS website: https://champshealth.org/data/ . Requests for further detailed data, for research and evaluation purposes, can be made through https://champs.emory.edu/redcap/surveys/?s=PCEERX993Y Ethical considerations: Even though the ethical considerations might be explained in papers published elsewhere, it is important that even this paper describes ethical considerations and how ethics was addressed all through the study duration. It will be even better if the authors could give the changes in data collection methods, ethics training etc. that were needed especially because of the differences in HDSS data collection and adding CHAMPS to the data collections. Answer: We appreciate the reviewer’s comments and suggestions. Thank you! A specific ethical consideration statement was added to explain the procedures in place regarding CHAMPS activities: Ethical clearance for the HDSS data collection (demographic and morbidity platforms) by Manhiça HDSS was obtained both from the Institutional Bioethics Committee for Health of CISM as well as from National Bioethics Committee for Health of Mozambique. Informed consent is obtained to enroll every member of the HDSS. Verbal consent is sought during follow-up visits or update rounds, and additional informed consent is required for verbal autopsy data collection. For each specific study, despite participants having consented to be part of the HDSS, study-specific informed consent is required to recruit participants. Depending on the type of study, protocols that do not involve vulnerable participants, the collection of biological samples, or invasive procedures are reviewed by the Institutional Bioethics Committee. For more complex studies, protocols are first reviewed by the Institutional Ethics Committee and then submitted to the National Bioethics Committee for Health for further review. The CHAMPS research protocol was approved by the National Bioethics Committee for Health of Mozambique (Ref:285/CNBS/16) and adhered to the ethical standards set forth by the Declaration of Helsinki. Informed is obtained from all participants or their legal guardians before their enrollment in the CHAMPS study. For minors, consent was provided by their parents or legal guardians. Participation is entirely voluntary, and guardians are informed that their personal information will be kept confidential and used exclusively for research purposes within the scope of the CHAMPS study Again we thank reviewer #1 and reviewer #2 for their comments that will help to improve the manuscript. As per your instructions, all changes made to the main body of the text are presented in track change in the updated version of the manuscript. Corresponding author Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique View more View less Competing Interests No competing interests were disclosed. reply Respond Report a concern Juvekar S. Peer Review Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r33048) NOTE: it is important to ensure the information in square brackets after the title is included in this citation. The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-33048 keyboard_arrow_left Back to all reports Reviewer Report 0 Views copyright © 2023 Collinson M. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 03 Mar 2023 | for Version 1 Mark Collinson , MRC/Wits Rural Public Health and Health Transitions Research Unit, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa 0 Views copyright © 2023 Collinson M. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. format_quote Cite this report speaker_notes Responses (1) Approved info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions This open letter provides a site description of a known and respected Health and Demographic Surveillance System (HDSS) in Mozambique, the Manhiça HDSS run by the Manhiça Health Research Center (CISM). It is a valuable contribution to knowledge because it provides a description of the research platform and the foundational methodology and purpose of the CHAMPS programme. The Manhiça HDSS in Mozambique was the first HDSS to implement the CHAMPS methods and implement the developments for improving the precision of and knowledge on child, infant and neonatal mortality. Overall, the manuscript contains what it needs to be published and is well written, but three things need to be addressed and several minor text edits considered. Issues to be addressed: A short description on the migration patterns in this context would be good. A paragraph on strengths and weaknesses of the HDSS method would be helpful. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” Is the rationale for the Open Letter provided in sufficient detail? Yes Does the article adequately reference differing views and opinions? Yes Are all factual statements correct, and are statements and arguments made adequately supported by citations? Yes Is the Open Letter written in accessible language? Yes Where applicable, are recommendations and next steps explained clearly for others to follow? Partly Competing Interests No competing interests were disclosed. Reviewer Expertise Population and Public Health I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard. reply Respond to this report Responses (1) Author Response 28 Aug 2024 Charfudin Sacoor, Manhiça Health Research Center, Municipio da Vila da Manhiça, 1929, Mozambique First of all, I would like to thank the reviewer for all the comments and suggestions made. Below are the answers to the points raised by him and which will require some minor edits on the current version of manuscript: A short description on the migration patterns in this context would be good Manhiça and most of the rural districts in southern Mozambique are the main points of origin for migrants living or in permanent exchanging with South Africa, Eswatini and the greater Maputo city region. Historically, these rural areas have provided large numbers of labour migrants to work in mines and on commercial farms in these two neighbouring countries but also to seek better living conditions in the Mozambican capital. In 2019, immediately before the Covid-19 pandemic, the crude external out-migration rate was 85.8 per 1000 person year’s observation (pyrs) among males and 77.7 per 1000 pyrs among females. During the pandemic period, specifically for the year 2021, the external out-migration rate became 65.3 per among males and 60.4 per 1000 pyrs among females. The out-migration phenomenon is accentuated in the young population, especially in the 15-39 age interval. In relation to external in-migration, considering the year before the start of the covid-19 pandemic (2019), we can see the same trend if compared with external out-migration, where males present the highest rate of in-migration if compared with the rate in females, therefore being 46.3 per 1000 pyrs males and 43.7 per 1000 pyrs for females. During 2021, in the course of the pandemic the external in-migration was 27.3 and 27.5 per 1000 for male and females respectively. An important aspect to mention, is high excess of the external in-migration among children under age of five (rate of 40-68 per 1000 pyrs during these 3 years), probably brought from outside the study area to stay with their grandparents or even accompanying their parents when their return to establish in Manhiça. A paragraph on strengths and weaknesses of the HDSS method would be helpful. The HDSS and the Manhiça HDSS in particular provides ongoing and periodically updated households and population counts (births, deaths, pregnancy, migration) and other relevant socio-demographic information such as households characteristics, socio-economic status of the households, etc . This platform is also important to understand how local contextual factors, environmental, demographic, and programmatic factors can affect the health outcomes. In Manhiça, children under the age of 15 years including children under 5 years who are part of CHAMPS study, their outpatient and in-patient visits to the health facilities within the HDSS are also collected. In addition, this platform allows conducting clinical trials, monitor the national and global health intervention and programmes as well as to computed accurate demographic and epidemiological indicators. Due to spatial limitation, data generated within the HDSS cannot be generalized to larger populations. Cost and respondent fatigue are also some issues to consider as weaknesses of this method. There should be an explanation of how people consent to participate in the different parts of the research and how the ethics oversight process works. As HDSS deals with enumerations from households and all data, collection follows institutional, national and international policies and procedures or guidelines for protecting information from human participants and maintaining confidentiality. Informed consent are provide to enrol every member of the HDSS. Verbal consent is asked during the follow-up visits or update rounds. Additional informed consent is required for verbal autopsy data collection. For each specific study, despite the participants being consented to be part of the HDSS, it will require to sign the study specific informed consent to recruit a participant. Depending on the type of studies, the protocols that do not involve vulnerable participants, the collection of biological samples or invasive studies, these are reviewed by the Institutional bioethics committee and for more complex studies, protocols are first reviewed by the institutional ethics committee and then submitted to the National Bioethics Committee for Health also to be reviewed by this committee. Edits recommended: 1. Heading: edit suggestion: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, site description, Mozambique” to “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” Locating the document in Mozambique is good but links with the name Manhiça, so it should be: …Manhiça, Mozambique, …” and the type of document is a site description, so this must come at the end. … Manhiça, Mozambique, site description” 1. Answer: We appreciate the reviewer’s edits suggested above. Thank you!. The updated heading will be: “Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça, Mozambique, site description” 2. Page 3. Para 3. edit suggestion: “ … as part of the tools used…” to “ … as one of the tools used…” or “ … as part of the tool-kit used…” 2. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: T he sharp innovation brought by CHAMPS in Manhiça was the inclusion, as a routine activity, of the minimally invasive tissue sampling technique [MITS, also known as Minimally Invasive Autopsy (MIA)] as part of the tool-kit used to investigate causes of death (CoD) in stillbirths and children under the age of 5 years [2, 3] 3. Pg 3. Para 10 (last one) edit suggestion: “The district is located in a plain…” to “The district is located on a plain…” 3. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The district is located on a plain , surrounded by the Incomati River, covering an area of 2.380km² This district has two distinct climate seasons. 4. Pg 3. Para 10 (last one) edit suggestion: “…dry season, lasting…” to “…dry season lasting…” 4. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: The warm season (November to April) coincides with most of the rainfall (900 - 1100 mm on average) and is followed by a cool and dry season lasting for the rest of the year. 5. Table 1. caption edit suggestion: “Selected demographic and public health indicators in Mozambique and Manhiça.” to “Selected demographic and public health indicators in Mozambique and Manhiça HDSS.” To remind the reader that there are different methods being used to produce the data, i.e. the first column is using national census data and the second column HDSS data, and it is not just a geographical difference. 5. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Table 1. Selected demographic and public health indicators in Mozambique and Manhiça HDSS. 6. Table 1. Column headers edit suggestion: Third column header: “Manhiça (Year 2020)” to “Manhiça HDSS (Year 2020)” For the same reason given in suggestion 5 above. 6. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated header in the third column of table 1 will be: Manhiça HDSS (year 2020) 7. Pg 6. first line. Typo: “in thecountry” to “in the country” 7. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Over the past 25 years, the CISM has conducted a series of studies with an important impact on public health policies in the country , including studies on malaria preventive tools (RTS,S), a malaria candidate vaccine [23] , intermittent preventive treatment in infants and intermittent preventive treatment in pregnancy (IPTi/IPTp) [24, 25] ), the treatment of malaria [26, 27] , and the detailed description of the burden and epidemiology of malaria, childhood bacterial infections (including pneumonia or meningitis), moderate-to-severe diarrhea and other life-threatening infections in children ADDIN EN.CITE.DATA [28-33] . 8. Pg 6. Second para. Middle edit suggestion: “When the CHAMPS network was established back in…” to “When the CHAMPS network was established in…” 8. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: When the CHAMPS network was established in 2014, and Manhiça applied as a potential member, the under 5 mortality rate in the area was 58.5/1000 live births. 9. Pg 6. Para 5. End. typo: “…in the past24 hours” to “…in the past 24 hours” 9. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Briefly, it includes three three types of visits, namely (i) yearly rounds that were routinely increased to every six months as a result of CHAMPS; (ii) weekly visits to key informants (about 170); and (iii) daily visits to the health facilities to gather information on pregnancies in prenatal consultations as well as deaths and pregnancy outcomes that have occurred in the past 24 hours. 10. Pg 7. Para 8. End. edit suggestion: “…investigate the cause of death…” to “…investigate the causes of death…” and “…recognising significant barriers in terms of acceptability that conventional post-mortem approaches may pose to communities.” to “…recognising significant barriers to acceptability that conventional post-mortem approaches may pose.” 10. Answer: We appreciate the reviewer’s edits suggested above. Thank you! The updated sentence will be: Such results highlighted the need for more robust approaches to investigate the causes of death, recognizing the significant barriers to acceptability that conventional post-mortem approaches may pose to communities. 11. Pg 8. Para 1. Help with acronyms: Spell out MCH when used for the first time. And possibly write out the full name MDH again because it is a few pages since the reader was last informed about the Manhiça District Hospital. 11. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The validation studies, also conducted in Maputo Central Hospital (MCH). 12. Pg 9. Para 8. Help with acronyms: Spell out TIGA. 12. Answer: We appreciate for this comment. Thank you! The updated sentence will be: The Information Technology and Data Management and Analysis department (TIGA, abbreviation in Portuguese) guarantees the information technology services, data management and data analysis, which comprises: 13. Pg 9. Para 7. Edit suggestion: “…electronic forms design,…” to “...electronic form design,…” 13. Answer: We appreciate these edits. Thank you! The updated sentence will be: b) a Data Management and Statistical Analysis unit, whose tasks include database and electronic form design, data cleaning, data visualization, data analysis and production of statistical reports; 14. Pg 9. Para 8. Edit suggestion: “…communication strategy on CHAMPS..” to “…communication strategy of CHAMPS..” 14. Answer: We appreciate these edits. Thank you! The updated sentence will be: The communication strategy of CHAMPS falls within the specific activities of the Inter-Institutional Relations, Advocacy and Communication Unit (URIAC) of CISM. 15. Pg 9. Para 8. Edit suggestion: “… improve the ability to influence, fund-raise and strengthen…” to “… improve the ability to fund-raise and strengthen…” 15. Answer: We appreciate these edits. Thank you! The updated sentence will be: Established at the end of 2014, this unit aims mainly to improve the ability to fund-raise and strengthen institutional relationships and communication. 16. Table 2: Provide asterisks for the legend “…DeCoDe findings…” to “…*DeCoDe findings…” with the accompanying footnote amended. And adding ** to the second legend component, i.e. “…*DHS2=…” 16. Answer: We appreciate these comments. Thank you! The updated sentence will be: Improve data quality by comparing the cause of death between the Hospital and Determination of Cause of Death (DeCoDe) to allow corrections in data collected through the District Health Information Software 2 (DHIS2) 17. Pg 11. Para 1. Last sentence: “…, will certainly contribute to a better picture… to “…, will contribute to a more precise picture… and “…to address those preventable causes…” to “…to address the preventable causes…” 17. Answer: We appreciate these comments. Thank you! The updated sentence will be: This new site will surely benefit from the capacity and expertise transfer from the original CHAMPS site in Manhiça. Results from Quelimane, in addition to the lessons learned from Manhiça, will contribute to a more precise picture of the principal causes of child death in the country, along with the best strategies to address the preventable causes of mortality. View more View less Competing Interests No competing interests were disclosed. reply Respond Report a concern Collinson M. Peer Review Report For: Child Health and Mortality Prevention Surveillance (CHAMPS): Manhiça site description, Mozambique [version 3; peer review: 2 approved] . Gates Open Res 2024, 7 :4 ( https://doi.org/10.21956/gatesopenres.15225.r32866) NOTE: it is important to ensure the information in square brackets after the title is included in this citation. The direct URL for this report is: https://gatesopenresearch.org/articles/7-4/v1#referee-response-32866 Alongside their report, reviewers assign a status to the article: Approved - the paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations - A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. 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