1. Department of Cardiovascular Medicine; Dongtan Sacred Heart Hospital; College of Medicine; Hallym University; Hwasung Republic of Korea
2. Department of Cardiovascular Medicine; Konkuk University Medical Center; Seoul Republic of Korea
3. Division of Cardiology; Anam Hospital; Korea University Cardiovascular Center; Seoul Republic of Korea
4. Department of Internal Medicine; School of Medicine; Kosin University; Busan Republic of Korea
5. Department of Cardiovascular Medicine; Seoul National University Bundang Hospital; Seongnam Republic of Korea
6. Department of Internal Medicine; College of Medicine; Seoul National University; Seoul Republic of Korea
7. Cardiology Division; Department of Internal Medicine; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
8. Department of Cardiology in Internal Medicine; Chungnam National University Hospital; Daejeon Republic of Korea
9. Department of Internal Medicine; College of Medicine; Chungbuk National University; Cheongju Republic of Korea
10. Department of Cardiovascular Medicine; Uijeongbu ST Mary's Hospital; The Catholic University of Korea; Eujeongboo Republic of Korea
11. Cardiology Division; Gachon University Gil Medical Center; Incheon Republic of Korea