Affiliation: | 1. Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, Yonago, Tottori, 683-8504, Japan 2. Department of Obstetrics and Gynecology, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate, 020-8505, Japan 3. Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan 4. Matsue City Hospital, 32-1 Noshira, Matsue, Shimane, 690-8509, Japan
|