1. Graduate Institute of Clinical Medical Sciences, Tao-Yuan, Taiwan.
2. Department of Orthopedics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
3. Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan.
4. Graduate Institute of Integration of Traditional Chinese Medicine with Western Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.