Department of Internal Medicine, Klerksdorp Tshepong Hospital Complex, North West Department of Health, Johannesburg, South Africa; Perinatal HIV Research Unit, University of the Witwatersrand, Braamfontein 2000, Johannesburg, South Africa
Tumelo Moloantoa
Perinatal HIV Research Unit, University of the Witwatersrand, Braamfontein 2000, Johannesburg, South Africa
Neil A Martinson
Perinatal HIV Research Unit, University of the Witwatersrand, Braamfontein 2000, Johannesburg, South Africa; Johns Hopkins University Center for TB Research, Baltimore, MD, USA
