[1] Seoul National University Hospital,Department of Internal Medicine
[2] Seoul National University College of Medicine,Department of Internal Medicine
[3] Korea University College of Medicine,Division of Cardiology, Department of Internal Medicine
[4] Soongsil University,Department of Statistics and Actuarial Science
[5] Seoul National University Hospital Healthcare System Gangnam Center,Division of Cardiology, Department of Internal Medicine
[6] Seoul National University College of Medicine,Diagnostic Test Unit Section of Cardiovascular Imaging, Division of Cardiology, Cardiovascular Center, Department of Internal Medicine, Seoul National University Hospital,