1 Department of Obstetrics and Gynecology, Institute of Medicine, University of Tsukuba, Ibaraki, Japan.
2 Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Miyagi, Japan. muneaki.shimada.b7@tohoku.ac.jp.
3 Department of Obstetrics and Gynecology, Sapporo Medical University, Hokkaido, Japan.
4 Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
5 Department of Gynecologic Oncology, Cancer Hospital of Fudan University, Shanghai, China.
6 Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan.
7 National Tsing Hua University, School of Medicine, Hsinchu, Taiwan.
8 Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
9 Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan.
10 International University of Health and Welfare Graduate School, Tokyo, Japan.
11 Center for Gynecologic Oncology, National Cancer Center, Goyang, Korea.
12 Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul, Korea.
13 Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
14 Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
15 Department of Gynecologic Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
16 Department of Gynecologic Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
17 Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
18 Department of Obstetrics and Gynecology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.
19 Chang Gung University College of Medicine, Taoyuan, Taiwan.
20 Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
21 Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.