1. Division of Cardiology Department of Medicine Taipei Veterans General Hospital Taipei Taiwan
2. Division of Cardiology Department of Cardiovascular Medicine Taichung Veterans General Hospital Taichung Taiwan
3. Healthcare and Management Center Taipei Veterans General Hospital Taipei Taiwan
4. Faculty of Medicine National Yang‐Ming Chiao Tung University Taipei Taiwan
5. Institute of Clinical Medicine and Cardiovascular Research Center National Yang‐Ming Chiao Tung University Taipei Taiwan