{"paper_id":"289a0972-1212-4168-b3de-12096ffc9031","body_text":null,"source_license":"publisher-OA-unknown","license_restricted":true,"redirect_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3629048/","reason":"This paper's source license does not permit republishing the full text on this site. Follow the redirect_url to read it at PMC."}