1 HIV and other Infectious Diseases Research Unit, South African Medical Research Council, Cape Town 7505, South Africa; University of Pretoria, Pretoria, South Africa. Electronic address: ameena.goga@mrc.ac.za.
2 Desmond Tutu HIV Centre, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
3 Centre for the AIDS Programme of Research in South Africa, Durban, South Africa; School of Nursing and Public Health, Discipline of Public Health Medicine, University of KwaZulu-Natal, Durban, South Africa.
4 Biostatistics Research Unit, South African Medical Research Council, Cape Town 7505, South Africa.
5 Centre for the AIDS Programme of Research in South Africa, Durban, South Africa.
6 Desmond Tutu HIV Centre, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; King's Global Health Institute, King's College London, London, UK.
7 School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa; National Institute for Communicable Diseases, Division of the National Health Laboratory Service, Johannesburg, South Africa.
8 Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
9 Right to Care, Johannesburg, South Africa.
10 Office of the President and CEO, South African Medical Research Council, Cape Town 7505, South Africa.