About the Author(s)
Linda-Gail Bekker

Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
Benjamin Brown 
Anova Health Institute, Johannesburg, South Africa
Dvora Joseph-Davey 
Department of Epidemiology, University of California, Los Angeles, United States of America
Division of Epidemiology and Biostatistics, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
Kathrine Gill 
Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
Michelle Moorhouse 
Wits Reproductive Health and HIV Research Unit, University of the Witwatersrand, Johannesburg, South Africa
Sinead Delany-Moretlwe 
Wits Reproductive Health and HIV Research Unit, University of the Witwatersrand, Johannesburg, South Africa
Landon Myer 
Division of Epidemiology and Biostatistics, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
Catherine Orrell 
Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
Department of Medicine, University of Cape Town, Cape Town, South Africa
Kevin Rebe 
Life Vincent Pallotti Hospital, Cape Town, South Africa
Department of Medicine and Infectious Diseases, University of Cape Town, Cape Town, South Africa
W.D. Francois Venter 
Ezintsha, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Carole L. Wallis 
BARC-SA, Speciality Molecular Division, Lancet Laboratories, Johannesburg, South Africa