1. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
2. Perinatal HIV Research Unit, University of Witwatersrand, Johannesburg, South Africa
3. Wits Reproductive Health & HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
4. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences,
Stellenbosch University, Cape Town, South Africa
5. Institute of Clinical Trials and Methodology, MRC Clinical Trials Unit at University College London, London, UK
6. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa, Department of Infectious Diseases, Imperial College London, Norfolk Place, London,
UK