1 Department of Orthopedics, Wan Fang Hospital, Taipei Medical University, Taipei; Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei.
2 Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan.
3 Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei; Department of Orthopedics, China Medical University Hospital, Taichung, Taiwan. Electronic address: oscarlee9203@gmail.com.