^○Shiori Nakano¹, Ayako Oda-Kishimoto¹, Ayako Takeuchi¹, Serika Iida¹, Yuki Inoue¹, Azusa Sato¹, Takahiro Suzuki², Toshiya Itoh³, Tomoaki Oda³, Hiroko Tajima¹, Hirokazu Abe⁴, Daisuke Yata¹ (1.Department of Obstetrics and Gynecology, Fuji city general hospital, Shizuoka, Japan, 2.Asada Ladies Clinic, 3.epartment of Obstetrics and Gynecology, Hamamatsu University School of Medicine, 4.Kameda Medical Clinic)

^○Kazuaki Yoshimura (Department of Obstetrics and Gynecology, Wakamatsu hospital of University of Occupational and Environmental Health, Japan)

^○Yasuka Miyakuni, Fuyuko Nagai, Kanako Murata, Yuko Matsuda, Mariko Nakahara, Kentaro Miyai (Tobu Chiiki Hospital, Tokyo, Japan)

^○Keisuke Tomita^1,2, Yukihiro Hirata¹, Koudai Kusakabe², Takenori Maruta², Hironobu Nakata², Aikou Okamoto¹ (1.Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, 2.Department of Obstetrics and Gynecology, Kousinkai Shiomidai Hospital, Japan)

^○Soichiro Suzuki, Yoshiaki Ota, Yumiko Morimoto, Rikiya Sano, Mitsuru Shiota (The Department of Gynecologic Oncology, Kawasaki Medical School, Okayama, Japan)

^○Toshiyuki Kakinuma, Ayano Shimizu, Takafumi Okusa, Eri Suizu, Ayaka Kaneko, Masataka Kagimoto, Kaoru Kakinuma, Nobuhiro Takeshima, Kaoru Yanagida, Michitaka Ohwada (Department of Obstetrics and Gynecology, International University of Health and Welfare Hospital, Japan)

^○Tamaki Yahata¹, Yasushi Kotani², Kosuke Murakami², Nami Ota¹, Yasushi Mabuchi¹, Hidekatsu Nakai², Noriomi Matsumura², Kazuhiko Ino¹ (1.Department of Obstetrics and Gynecology Wakayama Medical University, Wakayama, Japan, 2.Department of Obstetrics and Gynecology, Faculty of Medicine, Kindai University, Japan)

^○Masaki Sekine, Iemasa Koh, Sina Harimoto, Miho Yahata, Arisa Nomura, Kosuke Nakamoto, Hirohiko Morioka, Megumi Tunakake, Yuriko Omori, Yuko Teraoka, Takako Sadakane, Suguru Nosaka, Katsuyuki Tomono, Tomomi Yamazaki, Yurika Mukai, Yoshiki Kudo (Department of Obstetrics and Gynecology, Hiroshima University, Hiroshima, Japan)

^○Pei-Chen Chen¹, Dah-Ching Ding^1,2 (1.Department of Obstetrics and Gynecology, Hualien Tzu Chi Hospital, Taiwan, 2.Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan)

^○Chikako Tsukahara^1,2, Sachiko Hongoh^1,3, Yuri Kamino^1,2, Tadashi Hanai^1,3, Yukihiro Nishio^1,2, Shinsuke Koyama^1,2, Shingo Takada^1,3 (1.Urogynecology Center, Osaka Police Hospital, 2.Department of Obstetrics and Gynecology, Osaka Police Hospital, Osaka, Japan, 3.Department of Urology, Osaka Police Hospital, Osaka, Japan)