1. Department of Physical Medicine and Rehabilitation, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
2. Graduate Institute of Injury Prevention and Control, Taipei Medical University, Taipei, Taiwan
3. Department of Physical Medicine and Rehabilitation, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
4. Graduate institute of sports science, National Taiwan Sports University, Taoyuan, Taiwan
5. Department of Applied Mathematics, Chung Yuan Christian University, Taoyuan, Taiwan
6. Department of Rehabilitation and Movement Science, College of Nursing and Health Sciences, University of Vermont, Burlington, VT, USA
7. Swiss Paraplegic Research, Nottwil, Switzerland
8. Department of Health Sciences and Health Policy, University of Lucerne, Lucerne, Switzerland
9. Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan