1. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
2. Beijing Office for Cancer Prevention and Control, Peking University Cancer Hospital & Institute, Beijing, China
3. Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
4. Postdoctoral Research Station, Xinjiang Center for Disease Control and Prevention, Xinjiang Uygur Autonomous Region Center for Disease Control and Prevention, Urumqi, China
5. Dali Maternal & Child Health Hospital/Dali Children’s Hospital, Dali, China
6. Northwest Women’s and Children’s Hospital, Shannxi, China
7. Chongqing University Cancer Hospital, Chongqing, China
8. Gansu Provincial Cancer Hospital/Gansu Provincial Academic Institute for Medical Research, Lanzhou, China
9. Zunyi Medical University, Zunyi, China
10. Kunming Women and Children’s Hospital, Kunming, China
11. Yuxi Hospital of Traditional Chinese Medicine, Yuxi, China
12. National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
13. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK