1. Amsterdam UMC, University of Amsterdam, Department of Global Health, Amsterdam Institute for Global Health and Development, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
2. Desmond Tutu HIV Centre, Institute for Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
3. School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
4. Western Cape Government Health, Cape Town, South Africa
5. City Health, Department of Health, Cape Town, South Africa
6. Department of Medicine, University of Cape Town, Cape Town, South Africa