1. Department of Psychiatry Kaohsiung Veterans General Hospital Kaohsiung City Taiwan
2. Department of Psychiatry Taipei Veterans General Hospital Taipei Taiwan
3. Department of Psychiatry College of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
4. Department of Family Medicine Taipei Veterans General Hospital Taipei Taiwan
5. Institute of Hospital and Health Care Administration National Yang Ming Chiao Tung University Taipei Taiwan
6. Department of Psychiatry Beitou Branch Tri‐Service General Hospital Taipei Taiwan
7. Graduate Institute of Medical Sciences National Defense Medical Center Taipei Taiwan