1. Kaohsiung Medical University Chung-Ho Memorial Hospital, Department of Surgery, No.100 Tzyou 1st Road, Kaohsiung 807, Taiwan
2. Kaohsiung Medical University Chung-Ho Memorial Hospital, Department of Obstetrics & Gynecology, No.100 Tzyou 1st Road, Kaohsiung 807, Taiwan
3. Kaohsiung Medical University Chung-Ho Memorial Hospital, Department of Medical Imaging, No.100 Tzyou 1st Road, Kaohsiung 807, Taiwan