1. King Edward VIII Hospital Durban South Africa
2. Department of Paediatrics University of KwaZulu‐Natal Durban South Africa
3. Department of Epidemiology Gillings School of Global Public Health University of North Carolina at Chapel Hill Chapel Hill NC USA
4. MRC/Wits Rural Public Health and Health Transitions Research Unit School of Public Health University of the Witwatersrand Witwatersrand South Africa
5. Centre for Social Science Research University of Cape Town Cape Town South Africa
6. Department of Sociology University of Cape Town Cape Town South Africa
7. Department of Social Policy and Intervention University of Oxford Oxford United Kingdom