1. Institute of Pharmacology; National Yang-Ming University; Taipei Taiwan
2. Department of Medicine; Taipei Veterans General Hospital; Taipei Taiwan
3. Cardiovascular Research Center; National Yang-Ming University; Taipei Taiwan
4. Faculty of Medicine; National Yang-Ming University; Taipei Taiwan
5. Institute of Clinical Medicine; National Yang-Ming University; Taipei Taiwan
6. Department of Medical Research; Taipei Veterans General Hospital; Taipei Taiwan