[1] Kyung Hee University,Elderly Frailty Research Center, Department of Family Medicine, College of Medicine
[2] Yonsei University,Interdisciplinary Graduate Program in Social Welfare Policy
[3] Kyung Hee University,Department of Biomedical Science and Technology, College of Medicine, East
[4] Ajou University School of Medicine,West Medical Research Institute
[5] Seoul National University,Department of Preventive Medicine and Public Health
[6] College of Medicine,Department of Internal Medicine, Seoul National University Bundang Hospital
[7] Seoul National University College of Medicine & Hospital,Department of Family Medicine, Center for Health Promotion and Optimal Aging
[8] Korea University,Division of Endocrinology and Metabolism, Department of Internal Medicine
[9] Hallym University Sacred Heart Hospital,Division of Endocrinology and Metabolism, Department of Internal Medicine
[10] Ajou University School of Medicine,Department of Psychiatry
[11] The Catholic University of Korea,Catholic institute of U
[12] Hallym University Chuncheon Sacred Heart Hospital,healthcare
[13] Chonnam National University Medical School,Department of Family Medicine
[14] Gyeongsang National University,Department of Physical & Rehabilitation Medicine
[15] Jeju National University College of Medicine,Department of Psychiatry, College of Medicine
[16] Kyung Hee University Medical Center,Department of Family Medicine