1. Department of Cardiology Chonnam National University Hospital and Medical School Gwangju South Korea
2. Department of Preventive Medicine Chonnam National University Medical School Gwangju Hwasun‐gun South Korea
3. Department of Cardiology Seoul National University Medical School Seoul South Korea
4. Department of Cardiology Keimyung University Dongsan Medical Center Daegu South Korea
5. Department of Cardiology Chonbuk National University Medical School Jeonju South Korea
6. Department of Cardiology Gyeongsang National University Medical School Jinju South Korea
7. Department of Cardiology Wonkwang University Hospital Iksan South Korea
8. Department of Cardiology Pusan National University Medical School Busan South Korea