1. Centre for the AIDS Programme of Research in South Africa (CAPRISA) University of KwaZulu–Natal Durban South Africa
2. Nuffield Department of Primary Care Health Sciences University of Oxford Oxford United Kingdom
3. eThekwini Municipality Health Unit, eThekwini Municipality Durban South Africa
4. Bethesda Hospital Ubombo South Africa
5. Department of Family Medicine University of KwaZulu‐Natal Durban South Africa
6. National Health Laboratory Service Johannesburg South Africa
7. School of Laboratory Medicine and Medical Sciences University of KwaZulu‐Natal Durban South Africa
8. Discipline of Public Health Medicine School of Nursing and Public Health University of KwaZulu‐Natal Durban South Africa