1. Department of Obstetrics and Gynecology, College of Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
2. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Graduate Institute of Medical Science, College of Health Sciences, Chang Jung Christian University, Tainan, Taiwan
4. Innovative Research Center of Medicine, College of Health Sciences, Chang Jung Christian University, Tainan, Taiwan
5. Division of Traumatology, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan