1. School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
2. Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA
3. Department of Epidemiology, Brown University, Providence, RI, USA
4. Institute of Development Studies, University of Sussex, Brighton, UK
5. Institute for Global Health & Development, Queen Margaret University, Edinburgh, UK
6. TB Centre, London School of Hygiene & Tropical Medicine, London, UK
7. Africa Health Research Institute, School of Laboratory Medicine & Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
8. School of Public Health, University of the Witwatersrand, Johannesburg, South Africa