1. Department of Social Policy and Intervention, University of Oxford, Oxford, UK
2. Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
3. Department of Psychology, University of Cape Town, Cape Town, South Africa
4. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
5. AIDS and Society Research Unit, University of Cape Town, Cape Town, South Africa
6. Ministry of Education, Western Cape Government, Cape Town, South Africa
7. Independent
8. Centre for Social Science Research, University of Cape Town, Cape Town, South Africa
9. Department of Sociology, University of Cape Town, Cape Town, South Africa
10. Blavatnik School of Government and Centre for the Study of African Economies, University of Oxford, Oxford, UK
11. Positive East, London, UK
12. Optentia Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
13. School of Social and Political Science, University of Edinburgh, Edinburgh, UK
14. Teen Advisory Group, South Africa
15. School of Psychology, Faculty of Health Sciences, Curtin University, Perth, Australia
16. Brighton and Sussex Medical School, University of Sussex, Sussex, UK
17. Health Psychology Unit, Institute of Global Health, University College London, London, UK
18. School of Public Health, Brown University, Providence, RI, USA