1. Department of Obstetrics and Gynecology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
2. Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, Tainan, Taiwan
3. Department of Statistics, National Cheng Kung University, Tainan, Taiwan
4. Department of Rehabilitation Sciences, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
5. Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
6. Department of Pharmacy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
7. Department of Pharmacy, National Cheng Kung University Hospital, Tainan, Taiwan