1. Department of Rehabilitation Medicine, Cishan Hospital Ministry of Health and Welfare Kaohsiung Taiwan
2. Department of Psychiatry Taipei Veterans General Hospital Taipei Taiwan
3. School of Medicine National Yang‐Ming University Taipei Taiwan
4. Department of Physical Medicine and Rehabilitation Kaohsiung Veterans General Hospital Kaohsiung Taiwan
5. Institute of Allied Health Sciences National Cheng Kung University Tainan Taiwan
6. Department of Internal Medicine Kaohsiung Armed Forces General Hospital Kaohsiung Taiwan