1. Division of Cardiology Department of Medicine Taipei Veterans General Hospital Taipei Taiwan
2. School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
3. Institute of Pharmacology School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
4. Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan
5. Healthcare and Services Center Taipei Veterans General Hospital Taipei Taiwan
6. Heart Rhythm Center Taipei Veterans General Hospital Taipei Taiwan