[1] Pusan National University Yangsan Hospital,Division of Cardiology, Department of Internal Medicine and Research Institute for Convergence of Biomedical Science and Technology
[2] Pusan National University School of Medicine,Department of Preventive and Occupational Medicine
[3] Pusan National University School of Medicine,Department of Internal Medicine
[4] Pusan Medical University Yangsan Hospital,The Heart Center, Chonnam National University Research Institute of Medical Sciences
[5] Chonnam National University,undefined