Papillomavirus Infections

• Beijing Youan Hospital ( Site 0001) — Beijing, Beijing Municipality, China
• The Second Affiliated Hospital Chongqing Medical University ( Site 0052) — Chongqing, Chongqing Municipality, China
• Chongqing Public Health Medical Center ( Site 0003) — Chongqing, Chongqing Municipality, China
• The First Hospital of Lanzhou University ( Site 0034) — Lanzhou, Gansu, China

Not specified

• Fujian Maternity and Child Health Hospital — Fuzhou, Fujian, China
• Mindong Hospital of Ningde City — Ningde, Fujian, China
• Quanzhou First Hospital Afflicated to Fujian Medical University — Quanzhou, Fujian, China
• Xiamen Maternity and Child Health Hospital Affiliated to Xiamen University — Xiamen, Fujian, China

• Hospital Universitario Virgen de Las Nieves — Granada, Andalusia, Spain

• Peking University People's Hospital — Beijing, Beijing Municipality, China
• Henan Cancer Hospital — Zhengzhou, Henan, China
• The Third Affiliated Hospital of Zhengzhou University — Zhengzhou, Henan, China
• Hunan Provincial Maternal and Child Health Care Hospital — Changsha, Hunan, China

• Guangxi Center for Disease Control and Prevention — Nanning, Guangxi, China
• Henan Center for Disease Control and Prevention — Zhengzhou, Henan, China
• Shanxi Center for Disease Control and Prevention — Taiyuan, Shanxi, China
• Sichuan Center for Disease Control and Prevention — Chengdu, Sichuan, China

• Yunnan Center for Disease Prevention and Control — Kunming, Yunnan, China

• Jiangshan Center for Disease Control and Prevention ( Site 0001) — Quzhou, Zhejiang, China
• Yuhuan Center for Disease Control and Prevention ( Site 0002) — Taizhou, Zhejiang, China