1. Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
2. Department of Infectious Diseases, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan
3. School of Public Health, National Yang Ming Chiao Tung University, Taipei, Taiwan
4. School of Public Health, Taipei Medical University, Taipei, Taiwan
5. Department of Internal Medicine, Kaohsiung Medical University and College of Medicine, Kaohsiung, Taiwan
6. Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
7. Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
8. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
9. Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
10. School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
11. Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan
12. Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
13. Department of Internal Medicine, Hsinchu MacKay Memorial Hospital, Hsinchu City, Taiwan
14. Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
15. Department of Internal Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan
16. Department of Tropical Medicine and Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan
17. Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
18. Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
19. Department of Health and Nutrition, Chia Nan University of Pharmacy and Sciences, Tainan, Taiwan
20. Department of Internal Medicine, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan