Yuko Kaneyasu^1,3, Tomio Nakagawa¹, Koichi Wadasaki², Kanji Matsuura⁴, Ikuno Nishibuchi^2,3, Yoshiko Doi^3,5, Nobuki Imano^2,3, Tsuyoshi Katsuta⁶, Junichi Hirokawa⁴, Yasushi Nagata³ (1.Department of Radiation Oncology, National Hospital Organization Fukuyama Medical Center, Hiroshima, Japan, 2.Hiroshima Prefectural Hospital, Hiroshima, Japan, 3.Hiroshima University Hospital, Hiroshima, Japan, 4.Hiroshima City Hospital, Hiroshima, Japan, 5.HIPRAC, Hiroshima, Japan, 6.Hiroshima Red Cross Hospital, Hiroshima, Japan)

Shuko Miyahara, Takanori Shimizu, Takamichi Minato, Yoshiko Oyama, Satomi Sasaki, Kei Kudo, Asami Toki, Shogo Shigeta, Keita Tsuji, Hideki Tokunaga, Muneaki Shimada, Nobuo Yaegashi (Department of Gynecology and Obstetrics, Tohoku University Graduate School of medicine, Sendai, Japan)

Ken Matsukuma, Kouichiro Kawano, Shingo Tasaki, Jungmyung Park, Hiroki Nasu, Kazuto Tasaki, Atsumu Terada, Shin Nishio, Naotake Tsuda, Kimio Ushijima (Department of Obstetrics and Gynecology, Kurume University School of Medicine, Japan)