1. MRC Tropical Epidemiology Group, United Kingdom
2. HIV Prevention Trials Network Laboratory Center, Johns Hopkins University School of Medicine, Baltimore, Maryland
3. Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Baltimore, Maryland
4. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
5. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa
6. Zambart, University of Zambia School of Medicine, Lusaka
7. HIV Clinical Trials Unit, Department of Medicine Imperial College London, United Kingdom
8. Department of Clinical Research, London School of Hygiene and Tropical Medicine, United Kingdom