1. Division of Cardiology, Department of Internal Medicine, Gachon University Gil Medical Center
2. Division of Cardiology, Department of Internal Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine
3. Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital
4. Division of Cardiology, Department of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine
5. Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Medical Center
6. Division of Cardiology, Department of Internal Medicine, Korea University Guro Hospital
7. Division of Cardiology, Department of Internal Medicine, Seoul National University Bundang Hospital
8. Division of Cardiology, Department of Medicine, Chungnam National University Hospital
9. Division of Cardiology, Department of Internal Medicine, Kosin University Gospel Hospital, Kosin University College of Medicine
10. Division of Cardiology, Department of Internal Medicine, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine
11. Division of Cardiology, Department of Internal Medicine, Korea University Anam Hospital
12. Division of Cardiology, Department of Internal Medicine, Yeungnam University Medical Center
13. Division of Cardiology, Department of Internal Medicine, Severance Cardiovascular Hospital, Yonsei University College of Medicine
14. Division of Cardiology, Department of Internal Medicine, Inje University Ilsan Paik Hospital
15. Division of Cardiology, Department of Internal Medicine, Pusan National University Hospital
16. Division of Cardiology, Department of Internal Medicine, Inje University Haeundae Paik Hospital
17. Division of Cardiology, Department of Internal Medicine, Chungbuk National University College of Medicine
18. Division of Cardiology, Department of Internal Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea
19. Division of Cardiology, Department of Internal Medicine, St. Paul’s Hospital, The Catholic University of Korea
20. Division of Cardiology, Department of Internal Medicine, Ajou University Hospital
21. Division of Cardiology, Department of Internal Medicine, Chonnam National University Hospital