1. National Yang Ming Chiao Tung University Department of Physical Therapy and Assistive Technology, , Taipei, Taiwan
2. Ten-Chan General Hospital Department of Rehabilitation, , Taoyuan, Taiwan
3. Taipei Veterans General Hospital Department of Physical Medicine and Rehabilitation, , Taipei, Taiwan
4. Taipei Veterans General Hospital Department of Medicine, , Taipei, Taiwan
5. National Yang Ming Chiao Tung University Department of Medicine, , Taipei, Taiwan