1. MRC Centre for Global Infectious Disease Analysis School of Public Health Imperial College London London UK
2. Wolfson Centre for Young People's Mental Health Cardiff University Cardiff UK
3. Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement (DECIPHer) School of Social Sciences Cardiff University Cardiff UK
4. Centre for Evidence‐Based Intervention Department of Social Policy and Intervention University of Oxford Oxford UK
5. Centre for Social Science Research University of Cape Town Cape Town South Africa
6. AIDS and Society Research Unit University of Cape Town Cape Town South Africa
7. Department of Psychiatry and Mental Health University of Cape Town Cape Town South Africa