1. DST/NRF Centre of Excellence for Biomedical Tuberculosis Research/SAMRC Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
2. Lung Infection and Immunity Unit, Department of Medicine, University of Cape Town, Cape Town, South Africa
3. National Health Laboratory Service, Cape Town, South Africa