1. 5th Department of Gynecological Surgery, Affiliated Tumor Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uyghur Autonomous Region, China
2. Cervical Cancer Screening Office, Maternal and Child Health Care Center of Karakax County, Xinjiang Uyghur Autonomous Region, China
3. Department of Cancer Epidemiology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China