1. School of Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
2. Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei, Taiwan
3. Department of Family Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
4. Department of Family Medicine, National Taiwan University Hospital, Taipei, Taiwan
5. Department of Obstetrics and Gynecology, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan
6. Graduate Institute of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan