| Institution: | 1. Division of Cardiology, Department of Internal Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea;2. Department of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea;3. Division of Cardiology, Dietrich Bonhoeffer Hospital, Academic Teaching Hospital of University of Greifswald, Greifswald, Germany;4. Department of Medicine, Keimyung University Dongsan Medical Center, Daegu, South Korea;5. Department of Medicine, Inje University Ilsan Paik Hospital, Goyang, South Korea;6. Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, South Korea;7. Institute on Aging, Seoul National University, Seoul, South Korea |
