1. Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
2. School of Chinese Medicine, China Medical University, Taichung, Taiwan
3. School of Medicine, China Medical University, Taichung, Taiwan
4. Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
5. College of Medicine, National Taiwan University, Taipei, Taiwan
6. Department of Education, China Medical University Hospital, Taichung, Taiwan
7. Department of Orthopedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
8. Department of Medical Research, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan