Corresponding author. Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan.; Department of Obstetrics and Gynecology, Jichi Medical University, Tochigi, Japan; Department of Obstetrics and Gynecology, Koga Red Cross Hospital, 1150 Shimoyama, Koga, Ibaraki 306-0014, Japan
Alan Kawarai Lefor
Department of Surgery, Jichi Medical University, Japan
