1. Division of Cardiology; Cheng-Hsin General Hospital; 45, Cheng-Hsin Street, Pei-Tou Taipei Taiwan ROC
2. Institute of Clinical Medicine, National Yang-Ming University; School of Medicine; Taipei Taiwan ROC
3. Faculty of Medicine, National Yang-Ming University; School of Medicine; Taipei Taiwan ROC
4. Division of Cardiology; Taipei Veterans General Hospital; Taipei Taiwan ROC
5. Department of Internal Medicine; Cheng-Hsin General Hospital; 45, Cheng-Hsin Street, Pei-Tou Taipei Taiwan ROC