1. Department of Rheumatology; University of Cape Town; Cape Town South Africa
2. Department of Dermatology; School of Child and Adolescent Health; University of Cape Town; Cape Town South Africa
3. Division of Dermatology; Department of Medicine; Faculty of Medicine and Health Sciences; University of Stellenbosch; Stellenbosch South Africa
4. South African TB Vaccine Initiative; University of Cape Town; Cape Town South Africa
5. Faculté de Médecine; Université de Strasbourg and Hôpitaux Universitaires de Strasbourg; Strasbourg France