1. Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia
2. Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center, Seattle, Washington
3. Leadership and Operations Center, HIV Prevention Trials Network, FHI, Durham, North Carolina
4. Montefiore Medical Center and Albert Einstein College of Medicine, Bronx
5. Bronx Lebanon Hospital Center, New York
6. Howard University Hospital, Washington, District of Columbia
7. United Medical Center, Washington, District of Columbia
8. ICAP at Columbia University, New York, New York