1. Department of Obstetrics and Gynaecology, Queen Mary Hospital, The University of Hong Kong, Pokfulam Road, Hong Kong
2. Microbiological Research and Clinical Microbiology and Infectious Diseases, Royal Women's Hospital, Royal Children's Hospital, Department of Obstetrics & Gynecology, University of Melbourne, Melbourne, VIC 3052, Australia
3. Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi 110 029, India
4. Formerly Department of Immunization, Vaccines and Biologicals, World Health Organization, 1211 Geneva, Switzerland
5. Center for Cervical Cancer Prevention, Department of Obstetrics and Gynecology, Graduate Institute of Clinical Medicine, Tzu Chi Medical Center, Tzu Chi University, Hualien 97004, Taiwan
6. Department of Obstetrics and Gynecology, University of the Philippines College of Medicine, Manila, Philippines
7. Department of Cancer Epidemiology, Cancer Institute/Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100021, China
8. Gynecologic Oncology, Department of Obstetrics and Gynecology, Seoul St. Mary's Hospital, The Catholic University of Korea School of Medicine, Seoul, Republic of Korea
9. Department of Obstetrics and Gynecology, KK Women's and Children's Hospital, Singapore 229899
10. National Cancer Institute, Bangkok, Thailand