1 Research Unit, Foundation for Professional Development, East London, South Africa.
2 Department of Medical Microbiology, University of Pretoria, Pretoria, South Africa.
3 Division of Medical Microbiology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
4 Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa.
5 Department of Public Health Medicine, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa.
6 Ezintsha, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa.
7 Department of Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
8 Department of Medicine, Division of Clinical Pharmacology, University of Cape Town, Cape Town, South Africa.
9 Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa.
10 National Department of Health, Pretoria, South Africa.
11 Southern African HIV Clinicians Society (SAHCS), Johannesburg, South Africa.
12 Helen Joseph Hospital, University of the Witwatersrand, Johannesburg, South Africa.
13 Department of Infectious Disease, Division of Internal Medicine, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.