[1] Boramae Medical Center,Division of Cardiology, Department of Internal Medicine
[2] Seoul National University College of Medicine,Divison of Cardiology, Department of Internal Medicine
[3] Nowon Eulji Medical Center,Division of Cardiology, Department of Internal Medicine
[4] Eulji University College of Medicine,Department of Preventive, College of Medicine
[5] Ewha Womans University Seoul Hospital,Division of Cardiology, Department of Internal Medicine, Asan Medical Center
[6] Ewha Womans University College of Medicine,Department of Pediatrics
[7] Hanyang University,Division of Geriatrics, Department of Internal Medicine
[8] Hanyang University School of Public Health,Division of Cardiology, Department of Internal Medicine
[9] University of Ulsan College of Medicine,Division of Cardiology, Department of Internal Medicine, College of Medicine
[10] CHA Bundang Medical Center,Division of Cardiology, Department of Internal Medicine, College of Medicine
[11] CHA University,Division of Health and Nutrition Survey and Analysis, Bureau of Chronic Disease Prevention and Control
[12] Seoul National University Bundang Hospital,Division of Cardiology, Department of Internal Medicine
[13] Seoul National University College of Medicine,undefined
[14] Kangbuk Samsung Hospital,undefined
[15] Sungkyunkwan University School of Medicine,undefined
[16] Bucheon St. Mary’s Hospital,undefined
[17] The Catholic University of Korea,undefined
[18] Hanyang University,undefined
[19] Korea Disease Control and Prevention Agency,undefined
[20] Wonkwang University Sanbon Hospital,undefined