1. Department of Physical Therapy and Assistive Technology National Yang Ming Chiao Tung University Taipei Taiwan
2. Department of Dentistry National Yang Ming Chiao Tung University Taiwan
3. Department of Stomatology Taipei Veterans General Hospital Taipei Taiwan
4. Department of Dentistry Taipei City Hospital Taipei Taiwan
5. Department of Physical Medicine and Rehabilitation Cheng Hsin General Hospital Taipei Taiwan
6. Department of Physical Therapy and Graduate Institute of Rehabilitation Science China Medical University Taichung Taiwan