[1]Ajou Univ, Sch Med, Dept Obstet & Gynecol, Div Gynecol Oncol, 164 World Cup Ro, Suwon 16499, South Korea;
[2]Ewha Womans Univ, Dept Obstet & Gynecol, Coll Med, Seoul, South Korea;
[3]Niigata Univ, Grad Sch Med & Dent Sci, Dept Obstet & Gynecol, Niigata, Japan;
[4]Fudan Univ, Shanghai Canc Ctr, Dept Gynecol Oncol, Shanghai, Peoples R China;
[5]Univ Alabama Birmingham, Dept Obstet & Gynecol, Div Gynecol Oncol, Birmingham, AL 35294 USA;
[6]Konkuk Univ, Sch Med, Res Inst Med Sci, Dept Obstet & Gynecol, Seoul, South Korea;
[7]Taipei Vet Gen Hosp, Dept Obstet & Gynecol, Taipei, Taiwan;
[8]Mahidol Univ, Fac Med, Siriraj Hosp, Dept Obstet & Gynecol, Bangkok, Thailand;
[9]Keio Univ, Dept Obstet & Gynecol, Sch Med, Tokyo, Japan;
[10]Seoul Natl Univ, Dept Obstet & Gynecol, Coll Med, Seoul, South Korea;
[11]Fudan Univ, Zhongshan Hosp, Dept Obstet & Gynecol, Div Gynecol Oncol, Shanghai, Peoples R China;
[12]Univ Ulsan, Coll Med, Asan Med Ctr, Dept Obstet & Gynecol, Seoul, South Korea;
[13]Tokai Univ, Dept Obstet & Gynecol, Hiratsuka, Kanagawa, Japan;
[14]Yamagata Univ, Dept Obstet & Gynecol, Fac Med, Yamagata, Japan;
[15]Natl Canc Ctr, Canc Healthcare Res Branch, Ctr Uterine Canc, Goyang, South Korea;
[16]Natl Canc Ctr, Ctr Clin Trials, Res Inst & Hosp, Dept Canc Control & Populat Hlth,Grad Sch Canc Sc, Goyang, South Korea;
[17]Peking Univ, Peoples Hosp, Dept Obstet & Gynecol, Beijing, Peoples R China;
[18]Mahidol Univ, Ramathibodi Hosp, Fac Med, Dept Obstet & Gynecol, Bangkok, Thailand;
[19]Yonsei Univ, Coll Med, Dept Obstet & Gynecol, Womens Canc Ctr,Inst Womens Life Med Sci, Seoul, South Korea;
[20]Catholic Univ Korea, Coll Med, Dept Internal Med, Seoul, South Korea;
[21]Natl Univ Singapore, Dept Haematol Oncol, Natl Univ Canc Inst, Singapore NCIS,Natl Univ Hosp, Singapore, Singapore;
[22]Natl Univ Singapore, Canc Sci Inst, Singapore, Singapore;
[23]Kyoto Univ, Grad Sch Med, Dept Gynecol & Obstet, Kyoto, Japan;
[24]Natl Univ Singapore, Canc Sci Inst Singapore, Singapore, Singapore;
[25]Kurume Univ, Dept Obstet & Gynecol, Sch Med, Kurume, Fukuoka, Japan;
[26]Hosp Fudan Univ, Dept Gynecol Obstet & Gynecol, Shanghai, Peoples R China;
[27]Jikei Univ, Sch Med, Dept Obstet & Gynecol, Tokyo, Japan;
[28]Seoul Natl Univ, Coll Med, SMG SNU Boramae Med Ctr, Dept Obstet & Gynecol, Seoul, South Korea;
[29]Natl Inst Canc Res & Hosp, Dhaka, Bangladesh;
[30]Univ Kebangsaan Malaysia, Dept Obstet & Gynaecol, Med Ctr, Kuala Lumpur, Malaysia;
[31]Univ Sumatera Utara, H Adam Malik Gen Hosp, Obstet & Gynecol Dept, Gyneco Oncol Div, Medan, Indonesia;
[32]Max Inst Canc Care, New Delhi, India;
[33]Chiang Mai Univ, Fac Med, Dept Obstet & Gynecol, Div Gynecol Oncol, Chiang Mai, Thailand;
[34]Inje Univ, Paik Inst Clin Res, Busan Paik Hosp, Busan, South Korea;
[35]Hokkaido Univ, Dept Obstet & Gynaecol, Grad Sch Med, Sapporo, Hokkaido, Japan;
[36]Soonchunhyang Univ, Coll Med, Dept Obstet & Gynecol, Cheonan, South Korea