Affiliation: | (1) Department of Obstetrics and Gynecology, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, 482 Shan-Ming Rd., Hsiao-Kang Dist. 812, Kaohsiung, Taiwan;(2) Department of Obstetrics and Gynecology, Buddhist Dalin Tzu Chi General Hospital, Chiayi, Taiwan;(3) Graduate Institute of Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan |