1. Zambart, School of Medicine; University of Zambia; Lusaka Zambia
2. Department of Global Health and Development; Faculty of Public Health and Policy; London School of Hygiene and Tropical Medicine; London UK
3. Desmond Tutu TB Centre; Stellenbosch University; Tygerberg South Africa
4. Department of Medicine; Imperial College London; St Mary's Campus; London UK
5. Department of Infectious Disease Epidemiology; London School of Hygiene and Tropical Medicine; London UK
6. Department of Clinical Research; London School of Hygiene and Tropical Medicine; London UK
7. MRC/UVRI Uganda Research Unit on AIDS; Entebbe Uganda