1. Department of Physical Medicine and Rehabilitation, Shuang Ho Hospital, Taipei Medical University, New Taipei 23561, Taiwan
2. Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
3. Graduate Institute of Sports Science, National Taiwan Sports University, Taoyuan City 33301, Taiwan
4. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Taoyuan, Taiwan School of Medicine, Chang Gung University, Taoyuan 333, Taiwan
5. Department of Mathematics, Soochow University, Taipei 11102, Taiwan
6. ICF Research Center, Shuang Ho Hospital, Taipei Medical University, New Taipei 23561, Taiwan