1. Department of Epidemiology; National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College; Beijing People's Republic of China
2. Tumor Virus RNA Biology Section, RNA Biology Laboratory; Center for Cancer Research, National Cancer Institute; Frederick MD
3. Tianjin Central Hospital of Gynecology Obstetrics; Tianjin People's Republic of China
4. Department of Gynecology and Obstetrics; The Second Affiliated Hospital, Medical College, Sichuan University; Chengdu Sichuan People's Republic of China
5. Department of Clinical Nutrition; Dongfeng Hospital, Hubei University of Medicine; Shiyan Hubei People's Republic of China
6. Department of Gynecological Oncology; Shanxi Cancer Hospital; Taiyuan Shanxi People's Republic of China
7. Department of Epidemiology; Shanxi Cancer Hospital; Taiyuan Shanxi People's Republic of China
8. The Public Health and Prevent Department; Changzhi Medical College; Changzhi People's Republic of China