Tumor Virus Infections

• Lingchuan Center for Disease Control and Prevention — Lingchuan, Guangxi, China
• Quanzhou Center for Disease Control and Prevention — Quanzhou, Guangxi, China
• Xing'an Center for Disease Control and Prevention — Xing’an, Guangxi, China
• Daming Center for Disease Control and Prevention — Daming, Hebei, China

• Beijing Cancer Hospital — Beijing, China
• Sun Yat-sen University Cancer Center — Guangzhou, China
• Henan Cancer Hospital — Henan, China
• Shanghai East Hospital — Pudong, China

• 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

• Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention — Nanning, Guangxi, China
• Hunan Center for Disease Control and Prevention — Changsha, Hunan, China
• Shanxi Provincial Disease for Control and Prevention — Taiyuan, Shanxi, China
• Sichuan Center for Disease Control and Prevention — Chengdu, Sichuan, China

• National University Hospital — Singapore

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

• CARTI Cancer Center — Little Rock, Arkansas, United States
• City of Hope — Duarte, California, United States
• Providence Saint John's Cancer Institute — Santa Monica, California, United States
• Memorial Sloan Kettering Cancer Center — New York, United States

• 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