1. Department of Bioengineering and Therapeutic Sciences, University of California–San Francisco, San Francisco, California, USA
2. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
3. Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité—Universitätsmedizin Berlin , Berlin, Germany
4. Department of Medicine, Division of Clinical Pharmacology, University of Cape Town, Cape Town, South Africa
5. Department of Pediatrics, New York University School of Medicine, New York, New York, USA
6. University of Wisconsin, Department of Pediatrics, Madison, Wisconsin, USA