1. Division of Cardiology, Department of Medicine Taipei Veterans General Hospital Taipei Taiwan
2. Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine National Cheng Kung University Tainan Taiwan
3. Institute of Clinical Medicine, College of Medicine National Cheng Kung University Tainan Taiwan
4. Institute of Clinical Medicine and Cardiovascular Research National Yang‐Ming University Taipei Taiwan
5. Department of Cardiovascular Medicine Fukushima Medical University Fukushima Japan