1. Division of Cardiology, Department of Internal Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
2. Regional Cardiocerebrovascular Disease Center, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
3. Division of Cardiology, Department of Internal Medicine, Kangwon National University School of Medicine, 156 Baengnyeong-ro, Chuncheon 24289, Republic of Korea
4. Department of Internal Medicine, Kyungpook National University Hospital, Kyungpook National University School of Medicine, Kyungpook National University, 807, Hoguk-ro, Buk-gu, Daegu 41404, Republic of Korea
5. Department of Cardiology, Dong-A University Hospital, 26, Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
6. Cardiovascular Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, 173-82, Gumi-ro, Bundang-gu, Seongnam-si 13620, Republic of Korea
7. Department of Internal Medicine, Andong General Hospital, 11, Angsil-ro, Andong 36743, Republic of Korea
8. Division of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, 171-19, Wolpyeong-ro, Nam-gu, Ulsan 44686, Republic of Korea
9. Regional Cardiocerebrovascular Center, Department of Cardiovascular Medicine, Wonkwang University Hospital, 33-13 Iksan-daero, Iksan 54536, Republic of Korea
10. Division of Cardiology, Department of Internal Medicine, Inha University Hospital, 27, Inhang-ro, Jung-gu, Incheon 22332, Republic of Korea
11. Division of Cardiology, Chonnam National University Hospital, 42, Jebong-ro, Dong-gu, Gwangju 61469, Republic of Korea
12. Division of Cardiology, Department of Internal Medicine, Jeju National University School of Medicine, Jeju National University Hospital, 13-15, Aran, Jeju 63241, Republic of Korea
13. Department of Cardiology, Chungnam National University Hospital, 99, Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
14. Regional Cardiovascular Disease Center, Chungbuk National University Hospital, 776, Sunhwan-ro, Seowon-gu, Cheongju 28644, Republic of Korea
15. Division of Cardiology, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, 44, Suncheonhyang 4-gil, Dongnam-gu, Cheonan-si 31151, Republic of Korea