1. Desmond Tutu TB Centre, Paediatrics and Child Health, Stellenbosch University
2. TASK Applied Science, Bellville, Cape Town, Division of Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
3. Clinical Infectious Diseases, German Centre for Infection Research (DZIF), Research Centre Borstel, Borstel, International Health/Infectious Diseases, University of Lübeck, Lübeck, Germany, Department of Medicine, Karolinska Institute,
Stockholm, Sweden
4. Task Applied Science, Brooklyn Hospital for Chest Diseases, Cape Town, South Africa
5. Division of Pulmonary and Critical Care Medicine, and Division of Global Health Equity, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA