1. Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan.
2. Unité Cancer de la Femme et Recherche Clinique, Hôpitaux Universitaires Paris Centre, site Hôtel-Dieu, Université Paris Descartes, Paris, France.
3. Department of Diagnostic Pathology, Kumamoto University Hospital, Kumamoto, Japan.
4. Department of Obstetrics and Gynecology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan.
5. US Oncology Research and Arizona Oncology, Tucson, AZ, USA.
6. UCL Cancer Institute, University College London, London, UK.
7. Department of Obstetrics and Gynecology, Tottori University School of Medicine, Yonago, Japan.
8. Department of Pathology, The Jikei University School of Medicine, Tokyo, Japan.
9. Gynecologic Cancer Center, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
10. Department of Obstetrics and Gynecology, Kyoto University, Kyoto, Japan.
11. Department of Health Sciences, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan.
12. Department of Obstetrics and Gynecology, Seoul National University, Seoul, Korea.
13. Women's Cancer Research Center, Royal Women's Hospital, Melbourne, Australia.