1. Heart Rhythm Center and Division of CardiologyTaipei Veterans General HospitalTaipei Taiwan
2. Institute of Clinical Medicine and Cardiovascular Research InstituteNational Yang‐Ming UniversityTaipei Taiwan
3. Department of Cardiovascular MedicineFukushima Medical UniversityFukushima Japan
4. Department of Biomedical Sciences and Engineering National Central UniversityTaoyuan Taiwan