1. Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa
2. Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
3. MRC-CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Doris Duke Medical Research Institute, University of KwaZulu-Natal
4. Antimicrobial Research Unit, School of Health Sciences, University of KwaZulu-Natal, South Africa
5. KwaZulu-Natal Research Institute for Tuberculosis and HIV, Durban, South Africa