| Affiliation: | 1. Cardiology, Konyang University Hospital, Daejeon, Korea;2. Korea Research Institute of Standards and Science, Daejeon, Korea;3. Cardiology, Daegu Catholic University Medical Center, Daegu, Korea;4. Cardiology, Cheil General Hospital, Dankook University, Seoul, Korea;5. Cardiology, Catholic University Hospital, Seoul, Korea;6. Cardiology, Korea University Guro Hospital, Seoul, Korea;7. Cardiology, Hallym University Hospital, Chuncheon, Korea;8. Cardiology, Wonju Severance Christian Hospital, Wonju, Korea;9. Cardiology, Wonkwang University Hospital, Iksan, Korea;10. Cardiology, Chonnam National University Hospital, Gwangju, Korea;11. Cardiology, Korea Univeristy Anam Hospital, Seoul, Korea;12. Cardiology, Dong‐A University Medical Center, Busan, Korea;13. Endocrinology, Kyung Hee University Medical Center, Seoul, Korea |
