Makerere University Medical School, Kampala, Uganda
Johns Hopkins University, Baltimore, Maryland, United States
Duke University Medical Center, Durham, North Carolina, United States
Children's Research Triangle, Chicago, Illinois, United States
American Academy of Family Physicians National Research Network (AAFP-NRN)., Leawood, Kansas, United States
Evanston Northwestern Healthcare (ENH) internal medicine, family practice, and OB/GYN practices, Evanston, Illinois, United States
Great Lakes Research into Practice Network (GRIN), Ann Arbor, Michigan, United States
Care South clinics (Various), Hartsville, South Carolina, United States
Public Health Seattle and King County, Seattle, Washington, United States
University of Illinois at Chicago, Chicago, Illinois, United States
Health Research Association, Los Angeles, California, United States
University of Southern California Medical Center, Los Angeles, California, United States
Emory University School of Medicine, Atlanta, Georgia, United States
University of California at San Diego, San Diego, California, United States
University of California San Francisco - CAPS, San Francisco, California, United States
Kawale Health Center, Lilongwe, Lilongwe District, Malawi
Machinga District Hospital, Liwonde, Machinga District, Malawi
Matiki Health Center, Dwangwa, Nkhotakota District, Malawi
Central Harlem STD Clinic, New York, New York, United States
Centro Latino Americano de Enfermedades de Transmission Sexual, San Juan, Puerto Rico
National Rehabilitation Hospital, Washington, District of Columbia, United States