1. School of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
2. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan
3. Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
4. Department of Physical Therapy, Mackay Memorial Hospital, Taipei, Taiwan
5. Department of Physical Medicine and Rehabilitation, Mackay Memorial Hospital, Taipei, Taiwan
6. Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
7. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Taoyuan, Taoyuan, Taiwan