1. Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio, USA; Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Cape Town, South Africa
2. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Cape Town, South Africa; International Union Against Tuberculosis and Lung Disease, New York, New York, USA
3. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Cape Town, South Africa
4. Respiratory and Epidemiology Clinical Research Unit, Montreal Chest Institute, Montreal, Quebec, Canada; Department of Medicine, McGill University, Montreal, Quebec, Canada; Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, Quebec, Canada
5. Respiratory and Epidemiology Clinical Research Unit, Montreal Chest Institute, Montreal, Quebec, Canada