1. Institute of Clinical Medicine, School of Medicine, National Yang‐Ming University, Taipei 112, Taiwan
2. Division of Cardiovascular Surgery, Taipei Veterans General Hospital, Taipei 112, Taiwan
3. Cardiovascular Research Center, National Yang‐Ming University, Taipei 112, Taiwan
4. School of Medicine, Taipei Medical University, Taipei 110, Taiwan
5. Center of General Education, National Taipei College of Nursing, Taipei 112, Taiwan
6. Division of Cardiology, Taipei Veterans General Hospital, Taipei 112, Taiwan