1. Department of Epidemiology University of Washington Seattle Washington USA
2. Department of Medicine University of Washington Seattle Washington USA
3. Department of Global Health University of Washington Seattle Washington USA
4. Centre for the AIDS Program of Research in South Africa (CAPRISA) University of KwaZulu‐Natal Durban South Africa
5. Nuffield Department of Primary Care Health Sciences University of Oxford Oxford UK
6. Department of Psychology University of Washington Seattle Washington USA
7. Discipline of Public Health Medicine, School of Nursing and Public Health University of KwaZulu‐Natal Durban South Africa