1. Division of Cardiology, Department of Medicine; Taipei Veterans General Hospital; Taipei Taiwan
2. Institute of Clinical Medicine, and Cardiovascular Research Institute; National Yang-Ming University; Taipei Taiwan
3. Health Care and Management Center; Taipei Veterans General Hospital; Taipei Taiwan
4. Department of Medical Research and Education; Taipei Veterans General Hospital; Taipei Taiwan
5. Division of Interventional Cardiology; Cardiovascular Center, Taichung Veterans General Hospital; Taichung Taiwan
6. Department of Critical Care Medicine; Taipei Veterans General Hospital; Taipei Taiwan