1. Department of Internal Medicine, Sanggye Paik Hospital, Inje University, Seoul, Korea2Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
2. Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
3. Department of Preventive Medicine and Biostatistics, Yonsei University College of Medicine, Seoul, Korea
4. Dankook University College of Medicine, Cheonan, Korea
5. Gil Hospital, Gachon University College of Medicine, Incheon, Korea
6. School of Medicine, Kangwon National University, Chuncheon, Korea
7. Keimyung University College of Medicine, Daegu, Korea
8. Kangnam Severance Hospital, Seoul, Korea
9. Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea9Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea10Cardiovascular Research Institute, Yonsei University College of Medicine, Seoul, Korea