[1] Tsuchiura Kyodo General Hospital,Division of Cardiovascular Medicine
[2] Seoul National University Hospital,Department of Internal Medicine and Cardiovascular Center
[3] Harvard T.H. Chan School of Public Health,Department of Cardiovascular Medicine
[4] Tokyo Medical and Dental University,Department of Cardiology
[5] Ulsan Medical Center,Department of Medicine
[6] Ulsan Hospital,Department of Medicine
[7] Inje University Ilsan Paik Hospital,undefined
[8] Keimyung University Dongsan Medical Center,undefined