1. Division of Rehabilitation Medicine, Taipei City Hospital, Taipei, Taiwan
2. Faculty of Medicine, National Yang Ming University, Taipei, Taiwan
3. Department of Physical Therapy and Assistive Technology, National Yang Ming University, Taipei, Taiwan
4. Department of Medical Research and Education, Taipei Veteran General Hospital, Taipei, Taiwan
5. Department of Dentistry, National Yang Ming University, Taipei, Taiwan
6. Section of Endocrinology and Metabolism, Department of Medicine, Taipei Veteran General Hospital, Taipei, Taiwan