1. Prevention Sciences Program (PSP), Division of AIDS (DAIDS), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland.
2. Center for HIV Prevention Research, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, California.
3. College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska.
4. Harvard School of Public Health, Harvard University, Boston, Massachusetts.
5. Division of Gastroenterology, Hepatology, and Nutrition, Magee-Women's Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
6. Global Health-HIV, Bill and Melinda Gates Foundation (BMGF), Seattle, Washington.