Institution: | 1. Department of General Surgery, Chang-Gung Memorial Hospital at Linkou, Chang-Gung University College of Medicine, Taoyuan, Taiwan;2. Department of Obstetrics and Gynecology, Chang-Gung Memorial Hospital at Linkou, Chang-Gung University College of Medicine, Taoyuan, Taiwan;3. Department of Colon and Rectal Surgery, Chang-Gung Memorial Hospital at Linkou, Chang-Gung University College of Medicine, Taoyuan, Taiwan |