1. Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
2. Department of Paediatrics and Child Health, Tygerberg Hospital, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
3. Department of Pediatric Infectious Diseases Immunology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
4. Department of Paediatrics, KU Leuven University, Leuven, Belgium
5. Division of General Internal Medicine, Department of Medicine, Tygerberg Hospital, Stellenbosch University, Cape Town, South Africa
6. Division of Adult Infectious Diseases, Department of Medicine, Tygerberg Hospital, Stellenbosch University, Cape Town, South Africa
7. Division of Medical Virology, Stellenbosch University, National Health Laboratory services, Cape Town, South Africa