University of Alabama, Birmingham (UAB), Birmingham, Alabama, United States
Mayo Clinic, Rochester, Minnesota, United States
Walter Reed Army Institute for Research (WRAIR), Silver Spring, Maryland, United States
Thailand Ministry of Public Health - U.S. CDC Collaboration, Nonthaburi, Thailand
Tororo Hospital/CDC-Uganda, Tororo, Uganda
The Mayo Clinic, Rochester, Minnesota, United States
UMDNJ Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States
Michigan State University, East Lansing, Michigan, United States
BOTUSA HIV Prevention Research Unit, Francistown and Gaborone, Botswana
Centers for Disease Control and Prevention, Atlanta, Georgia, United States
Lwak, Abidha, Ongielo and Saradidi clinics, Asembo (Rarieda Division), Nyanza Province, Kenya
Chicago VA Medical Center (Lakeside), Chicago, Illinois, United States
Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
Duke University Medical Center, Durham, North Carolina, United States
Thomas Street Clinic, Houston, Texas, United States
New York University School of Medicine, New York, New York, United States
University of California, San Francisco, San Francisco, California, United States
Denver Department of Public Health and Hospitals, Denver, Colorado, United States
Hines VA Medical Center, Hines, Illinois, United States
University of Manitoba, Winnipeg, Manitoba, Canada