1. The Aurum Institute, Parktown, Johannesburg, South Africa
2. Centre for Infectious Disease Research in Zambia, Lusaka, Zambia, School of Population Health, University of New South Wales, Sydney, NSW, Australia
3. TB HIV Care, Cape Town, South Africa
4. London School of Tropical Hygiene & Medicine, London, UK
5. The Aurum Institute, Parktown, Johannesburg, South Africa, Johns Hopkins University, Baltimore, MD, USA
6. Centre for Infectious Disease Research in Zambia, Lusaka, Zambia, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, NC, USA
7. The Aurum Institute, Parktown, Johannesburg, South Africa, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa