Sexually Transmitted Diseases, Viral

• Maricopa Integrated Health System - McDowell Clinic — Phoenix, Arizona, United States
• Pueblo Family Physicians — Phoenix, Arizona, United States
• Health for Life Clinic PLLC — Little Rock, Arkansas, United States
• Pacific Oaks Medical Group — Beverly Hills, California, United States

• Naval Medical Center, San Diego — San Diego, California, United States
• National Naval Medical Center — Bethesda, Maryland, United States
• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• Infectious Diseases Institute,Makerere University College of Health Sciences — Kampala, Uganda

• National Institute of Hygiene and Epidemiology ( Site 0001) — Hanoi, Vietnam

• St Vincent's Hospital — Sydney, New South Wales, Australia

Not specified

• University Medical Center New Orleans Infectious Disease Services — New Orleans, Louisiana, United States

Not specified

• The Second Hospital of Nanjing — Nanjing, Jiangsu, China
• Shanghai Public Health Clinical Center — Shanghai, Shanghai Municipality, China
• Yunnan provincial infectious disease hosipital — Kunming, Yunnan, China

• The Second Hospital of Nanjing — Nanjing, Jiangsu, China
• Shanghai Public Health Clinical Center — Shanghai, Shanghai Municipality, China
• Yunnan AIDS care center — Kunming, Yunnan, China