1. Department of Cardiology, Cardiovascular Center Korea University Anam Hospital, Korea University College of Medicine Seoul South Korea
2. Severance Cardiovascular Hospital Seoul South Korea
3. Department of Cardiology Heart and Brain Institute, Chung‐Ang University Gwang‐Myeong Hospital, Chung‐Ang University College of Medicine Gwangmyeong‐si South Korea
4. Division of Cardiology, Department of Internal Medicine College of Medicine, Catholic University of Korea Seoul South Korea
5. Department of Internal Medicine Gyeongsang National University School of Medicine and Cardiovascular Center, Gyeongsang National University Changwon Hospital Changwon South Korea
6. Division of Cardiology, Department of Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine Seoul South Korea
7. Department of Cardiology Yonsei University Wonju Severance Christian Hospital Wonju South Korea
8. Department of Cardiology, Department of Internal Medicine Seoul National University Bundang Hospital, Seoul National University College of Medicine Seoul South Korea
9. Cardiology Division, Department of Internal Medicine, Kangnam Sacred Heart Hospital Hallym University College of Medicine Seoul South Korea
10. Division of Cardiology, Department of Internal Medicine Kangwon National University School of Medicine Chuncheon South Korea
11. Cardiovascular Center, Department of Internal Medicine Seoul National University Hospital Seoul South Korea
12. Department of Cardiology Dong‐A University Hospital Busan South Korea
13. Division of Cardiology Ulsan University Hospital, University of Ulsan College of Medicine Ulsan South Korea