[1] Taichung Veterans General Hospital,Center for Geriatrics & Gerontology
[2] Taichung Veterans General Hospital,Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine
[3] Taichung Veterans General Hospital,Division of Occupational Medicine, Department of Emergency
[4] National Chung Hsing University,Geriatrics and Gerontology Research Center, College of Medicine
[5] National Chung Hsing University,Department of Post
[6] Taichung Veterans General Hospital,Baccalaureate Medicine, College of Medicine
[7] Taichung Veterans General Hospital,Division of Neurology
[8] National Yang Ming Chiao Tung University,Division of Nephrology, Department of Internal Medicine
[9] Biostatistics Task Force of Taichung Veterans General Hospital,Institute of Clinical Medicine, School of Medicine
[10] Taichung Veterans General Hospital,Division of Endocrinology and Metabolism, Department of Internal Medicine