1. Department of Cancer Epidemiology, Cancer Institute, Chinese Academy of Medical Sciences & Peking Union Medical College
2. Department of Prevention and Control of Communicable Disease, Guizhou Center for Disease Control and Prevention
3. Shijingshan District Center for Disease Control and Prevention
4. The Microbiology and Infectious Diseases Department, Royal Women’s Hospital, and the Department of Obstetrics and Gynecology, University of Melbourne
5. Department of Obstetrics & Gynaecology, All India Institute of Medical Sciences