Pren Naidoo1, Caroline Wills1, Donald A Enarson2, Nulda Beyers1. 1. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa. 2. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa ; International Union Against Tuberculosis and Lung Disease, Paris, France.