1. Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital Yuli Branch, Hualien, Taiwan;
2. Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan;
3. Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan;
4. School of Medicine, National Yang-Ming University, Taipei, Taiwan;
5. Department of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, Taipei, Taiwan;
6. Department of Physical Medicine and Rehabilitation, Taichung Veteran General Hospital Puli Branch, Nantou, Taiwan;
7. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan