1. Division of Clinical Pharmacology, University of Cape Town, South Africa
2. Division of Infectious Diseases and HIV Medicine, University of Cape Town, South Africa
3. Department of Medicine, University of Cape Town, South Africa
4. Institute of Global Health, Department of Infection and Population Health, University College London, United Kingdom
5. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
6. Division of Medical Microbiology, Department of Pathology, University of Cape Town, Cape Town, South Africa
7. National Health Laboratory Service of South Africa, Cape Town, South Africa
8. Medical Research Council, Cape Town, South Africa