1. Division of Cardiology, Department of Medicine; Taipei Veterans General Hospital Taoyuan Branch; Taoyuan Taiwan
2. Cardiovascular Research Center; National Yang-Ming University; Taipei Taiwan
3. Institute of Clinical Medicine; National Yang-Ming University; Taipei Taiwan
4. Department of Internal Medicine, School of Medicine, College of Medicine; Taipei Medical University; Taipei Taiwan
5. Division of Cardiology, Department of Medicine; Taipei Veterans General Hospital; Taipei Taiwan
6. Center for Geriatrics and Gerontology; Taipei Veterans General Hospital; Taipei Taiwan
7. Aging and Health Research Center; National Yang-Ming University; Taipei Taiwan
8. Institute of Public Health; National Yang-Ming University; Taipei Taiwan
9. Division of Clinical Research; Taipei Veterans General Hospital; Taipei Taiwan
10. Institute of Pharmacology; National Yang-Ming University; Taipei Taiwan
11. Department of Medical Research; Taipei Veterans General Hospital; Taipei Taiwan