1. Division of Cardiovascular Surgery, Department of Surgery Taipei Veterans General Hospital No. 201, Sec. 2, Shipai Rd., Beitou District Taipei 11217 Taiwan
2. Department of Surgery, School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan
3. School of Medicine National Yang‐Ming University Taipei Taiwan
4. Division of Cardiology Taipei Veterans General Hospital Taipei Taiwan
5. Division of Healthcare and Management, Healthcare Center Taipei Veterans General Hospital Taipei Taiwan
6. Institute of Biomedical Informatics National Yang‐Ming University Taipei Taiwan