Layered vulnerability and researchers' responsibilities: learning from research involving Kenyan adolescents living with perinatal HIV infection.

"Declarations Ethics approval and consent to participateThe Kilifi County Research Governance office, the KEMRI Scientific and Ethics Review Unit (KEMRI/SERU/CGMR-C/084/3454) and Oxford University Tropical Medicine Research Ethics Committee (OXTREC 14–17) gave prior approval for the study. The study was conducted in accordance with the Declaration of Helsinki. Adult participants gave written informed consent before involvement. Young people who were minors (under 18 years) gave verbal informed assent alongside adult caregivers’ informed consent. Heads of the Kilifi County Health and Education Departments and the Kilifi National AIDS and Sexually Transmitted Diseases Programme (NASCOP) supported study planning and conduct. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding The study was undertaken with funding from a Wellcome Trust Strategic Award (Grant: 096527) and a Wellcome Trust & MRC Newton Fund Collaborative Award (Grant: 200344/Z/15/Z). The funders had no role in the design of the study or the collection, analysis and interpretation of data or writing the manuscript. The AHOS study and AA are funded by a UK Medical Research Council (Grant number MR/M025454/1) and the UK Department for International Development (DFID) under MRC/DFID concordant agreement and is part of the EDCTP2 program supported by the European Union."