1. Laboratory of Immunoregulation, NIAID, NIH, Bethesda, Maryland.
2. School of Medicine, Johns Hopkins University, Baltimore, Maryland.
3. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland.
4. Rakai Health Sciences Program, Rakai District, Uganda.
5. Uganda Virus Research Institute, Entebbe, Uganda.
6. School of Public Health, Makerere University, Kampala, Uganda.
7. Monogram Biosciences Inc., South San Francisco, California.