1. Department of Family Medicine Taichung Veterans General Hospital Taichung Taiwan
2. School of Medicine, National Yang Ming Chiao Tung University Hsinchu Taiwan
3. Department of Post‐Baccalaureate Medicine College of Medicine, National Chung Hsing University Taichung Taiwan
4. Geriatrics and Gerontology Research Center College of Medicine, National Chung Hsing University Taichung Taiwan
5. School of Medicine, Chung Shan Medical University Taichung Taiwan
6. Institute of Medicine, Chung Shan Medical University Taichung Taiwan
7. Department of Family Medicine Taichung Armed Forces General Hospital Taichung Taiwan
8. School of Medicine, National Defense Medical Center Taipei Taiwan
9. School of Public Health, Chung‐Shan Medical University Taichung Taiwan
10. Department of Allergy, Immunology and Rheumatology Chung Shan Medical University Hospital Taichung Taiwan
11. Graduate Institute of Integrated Medicine, China Medical University Taichung Taiwan
12. National Center for Geriatrics and Gerontology Obu Japan
13. Department of Family Medicine Taichung Hospital, Ministry of Health and Welfare Taichung Taiwan
14. Institute of Population Sciences, National Health Research Institutes Miaoli County Taiwan
15. College of Management, Chaoyang University of Technology Taichung Taiwan
16. Study Group of Integrated Health and Social Care Project, Ministry of Health and Welfare Taipei Taiwan