1. Department of Obstetrics and Gynecology, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea.
2. Department of Radiology, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea.
3. Department of Surgery, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea.
4. Department of Urology, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea.