1. Division of Cardiology, Dongguk University Ilsan Hospital, Dongguk University College of Medicine
2. Division of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine
3. Division of Cardiology, Seoul National University Hospital
4. Division of Cardiology, Kangdong Sacred Heart Hospital, Hallym University
5. Division of Cardiology, St. Vincent’s Hospital, The Catholic University of Korea
6. Division of Cardiology, Wonkwang University Hospital
7. Division of Cardiology, Yeungnam University Hospital
8. Division of Cardiology, Haeundae Paik Hospital, Inje University
9. Division of Cardiology, College of Medicine, Jeju National University
10. Division of Cardiology, Ilsan Paik Hospital, Inje University