1. Basic Science Programme, Medical Research Council/Uganda Virus Research Institute, Uganda Research Unit on AIDS, Entebbe, Uganda.
2. HIV Prevention and Epidemiology Programme, Medical Research Council/Uganda Virus Research Institute, Uganda Research Unit on AIDS, Entebbe, Uganda.
3. Division of Immunology and Allergy, Department of Medicine, Lausanne University Teaching Hospital, Lausanne, Switzerland.
4. Leiden University Medical Center, Leiden, the Netherlands.
5. Department of Medical Microbiology, Makerere University College of Health Sciences, Kampala, Uganda.
6. EuroVacc Foundation, Amsterdam, the Netherlands.
7. Uganda Virus Research Institute/International AIDS Vaccine Initiative, Entebbe, Uganda.
8. Co-Infections Programme, Medical Research Council/Uganda Virus Research Institute, Uganda Research Unit on AIDS, Entebbe, Uganda.
9. Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, United Kingdom.