1. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA.
2. Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA.
3. Department of Obstetrics and Gynecology, Tottori University, Tottori, Japan.
4. Department of Gynecology, Tohoku University Hospital, Miyagi, Japan.
5. Department of Obstetrics and Gynecology, School of Medicine, Sapporo Medical University, Hokkaido, Japan.
6. Department of Gynecologic Oncology, Shikoku Cancer Center, Matsuyama, Japan.
7. Department of Obstetrics and Gynecology, Kindai University Faculty of Medicine, Osaka, Japan.
8. Division of Gynecologic Oncology, National Hospital Organization, Hokkaido Cancer Center, Hokkaido, Japan.
9. Department of Obstetrics and Gynecology, Gifu University Graduate School of Medicine, Gifu, Japan.
10. Department of Obstetrics and Gynecology, Tokai University, Kanagawa, Japan.
11. Department of Obstetrics and Gynecology, Iwate Medical University, Iwate, Japan.