| Affiliation: | 1. Department of Cardiology, Hospital Clínico San Carlos IDISSC and Universidad Complutense de Madrid, Madrid, Spain;2. Division of Cardiology, Department of Internal Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea;3. Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan;4. Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, South Korea |
