1. Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
2. Department of Medicine, Taipei Veterans General Hospital Su-Ao and Yuan-Shan Branch, I-Lan, Taiwan
3. Institute of Public Health and School of Medicine, National Yang-Ming University, Taipei, Taiwan
4. Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
5. Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
6. Institute of Clinical Medicine, and Cardiovascular Research Center, National Yang-Ming University, Taiwan
7. Division of Hematology and Oncology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
8. Department of Internal Medicine, National Yang-Ming University Hospital, I-Lan, Taiwan
9. Community Medicine Research Center and Institute of Public Health, National Yang-Ming University, Taipei, Taiwan