[1] The Catholic University of Korea,Division of Cardiology, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine
[2] Division of Cardiology,Paul H. Chook Department of Information Systems and Statistics
[3] Department of Internal Medicine,undefined
[4] Uijeongbu St. Mary’s Hospital,undefined
[5] College of Medicine,undefined
[6] The Catholic University of Korea,undefined
[7] Baruch College,undefined
[8] CUNY,undefined