1. Division of Retrovirology
2. U.S. Military HIV Research Program, Walter Reed Army Institute of Research, 1600 East Gude Drive, Rockville, Maryland 20850
3. Rakai Health Sciences Project, Kalisizo, Uganda
4. Institute of Public Health, College of Medicine, Makerere University, Kampala, Uganda
5. Uniformed Services University School of Medicine, Bethesda, Maryland 20814
6. Columbia University Mailman School of Public Health, New York City, New York 10032
7. Johns Hopkins University School of Public Health, Baltimore, Maryland 21215
8. College of Medicine, Makerere University, Kampala, Uganda