Affiliation: | 1. Faculty of Medicine and Institute of Clinical Medicine, National Yang‐Ming University, Taipei, Taiwan;2. Cardiovascular Center, Taichung Veterans General Hospital, Taichung, Taiwan;3. Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan;4. Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, TaiwanCo‐corresponding author: Li‐Wei Lo, M.D., Division of Cardiology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou district, Taipei City, 11217 Taiwan, R.O.C. Fax: 886‐2‐2873‐5656;5. E‐mail: |