1. Division of Cardiology Department of Internal Medicine Kangbuk Samsung Hospital Sungkyunkwan University College of Medicine Seoul Republic of Korea
2. Department of Cardiology Cardiovascular Center Korea University Anam Hospital Korea University College of Medicine Seoul Republic of Korea
3. Cardiovascular Center Dongguk University Ilsan Hospital Goyang‐si Gyeonggi Republic of Korea
4. Department of Cardiology Chonnam National University Hospital Gwangju Republic of Korea
5. Division of Cardiology Asan Medical Center University of Ulsan College of Medicine Seoul Republic of Korea
6. Cardiology Division Cardiac center CHA Bundang medical center CHA University Seongnam Republic of Korea
7. Dong‐A University Hospital Dong‐A University College of Medicine Busan Republic of Korea
8. Department of Cardiology Daegu Catholic University Medical Center Daegu Republic of Korea
9. Department of Cardiology Seoul Medical Center Seoul Republic of Korea
10. Cardiovascular Center Kyung Hee University Hospital at Gangdong Seoul Republic of Korea
11. Cardiovascular Center Seoul National University Bundang Hospital Seongnam Republic of Korea
12. Division of Cardiology Kosin University Gospel Hospital Kosin University College of Medicine Busan Republic of Korea
13. Boramae Hospital Seoul University College of Medicine Seoul Republic of Korea
14. Department of internal medicine Division of Cardiology Seoul National University Hospital Seoul National University College of Medicine Seoul Republic of Korea
15. Department of Internal Medicine Kyung Hee University Medical Center Kyung Hee University Seoul Republic of Korea
16. Yonsei University College of Medicine and Cardiovascular Center Yongin Severance Hospital Yongin Republic of Korea
17. Department of Cardiology Severance Hospital Yonsei University College of Medicine Seoul Republic of Korea
18. Division of Cardiology Department of Internal Medicine Hanyang University College of Medicine Seoul Republic of Korea
19. Division of Cardiology Department of Internal Medicine Ewha Womans University Seoul Hospital Seoul Republic of Korea
20. Division of Cardiology Department of Internal Medicine Ewha Womans University Mokdong Hospital Seoul Republic of Korea
21. Department of Internal Medicine Korea University Guro Hospital Seoul Republic of Korea
22. Hanmi Pharm.Co.,Ltd. Songpa‐gu Seoul Republic of Korea