Papillomavirus Infections

• Cohort 2: Applied Research Center of Arkansas — Little Rock, Arkansas, United States
• Cohort 2: Solutions Through Advanced Research — Jacksonville, Florida, United States
• Cohort 2: The Indiana Clinical Trials Center — Plainfield, Indiana, United States
• Cohort 2: Clarkston Skin Research — Clarkston, Michigan, United States

• The Indiana Clinical Trials Center,PC — Plainfield, Indiana, United States
• DelRicht Research — Baton Rouge, Louisiana, United States
• Clarkston Skin Research — Clarkston, Michigan, United States
• DelRicht Research — Tulsa, Oklahoma, United States

• Universidad Nacional de Colombia — Bogotá, Bogota D.C., Colombia

• Peking University Third Hospital — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Zhengzhou University — Zhengzhou, Henan, China
• Qilu Hospital of Shandong University — Jinan, Shandong, China
• The Obstetrics & Gynecology Hospital of Fudan University — Shanghai, Shanghai Municipality, China

• University General Hospital of Ioannina — Ioannina, Greece
• University General Hospital of Larissa — Larissa, Greece
• University General Hospital of Patra — Pátrai, Greece
• "HIPPOKRATION" General Hospital of Thessaloniki — Thessaloniki, Greece

Not specified

• Akron Dermatology — Akron, Ohio, United States

• Uganda Cancer Institute — Kampala, Uganda

• Louisiana State University Health — Shreveport, Louisiana, United States

• Celerion Inc. — Belfast, Co.Antrim, United Kingdom