1. Faculty of Medicine; National Yang-Ming University School of Medicine; Taipei Taiwan
2. Department of Medicine; Taipei Veterans General Hospital; Taipei Taiwan
3. Department of Surgery; Taipei Veterans General Hospital; Taipei Taiwan
4. Institute of Clinical Medicine; National Yang-Ming University School of Medicine; Taipei Taiwan
5. Department of Radiology; Taipei Veterans General Hospital; Taipei Taiwan
6. Institute of Pharmacology; National Yang-Ming University School of Medicine; Taipei Taiwan