1. Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan (Republic of China).
2. Department of Orthopaedics, Taipei Medical University-Shuang Ho Hospital, Ministry of Health and Welfare, Taipei, Taiwan (Republic of China).
3. School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan (Republic of China).
4. Institute of Biomedical Engineering, College of Medicine, National Taiwan University, Taipei, Taiwan.
5. College of Engineering, National Taiwan University, Taipei, Taiwan.
6. Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan (Republic of China).
7. Department of Orthopedic Surgery, College of Medicine, China Medical University, Taichung, Taiwan (Republic of China).
8. Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei, Taiwan (Republic of China).