Affiliation: | 1. Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea;2. Department of Thoracic and Cardiovascular Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea;3. Department of Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea;4. Division of Cardiology, Department of Medicine, Ewha Womans University Hospital, Seoul, Korea;1. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota;2. Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota |