1. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
2. Department of Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Department of Internal Medicine, National Cheng Kung University Hospital, Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
4. Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University Hospital, Taipei, Taiwan
5. Department of Internal Medicine, Hsinchu Mackay Memorial Hospital, Hsinchu City, Taiwan
6. Centre for Diagnostics and Vaccine Development, Centres for Disease Control, Taichung, Taiwan
7. Department of Infectious Diseases, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan
8. Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
9. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
10. School of Medicine, National Yang-Ming University, Taipei, Taiwan
11. Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan
12. Department of Internal Medicine, Chi Mei Medical Centre, Tainan, Taiwan
13. Department of Health and Nutrition, Chia Nan University of Pharmacy and Sciences, Tainan, Taiwan
14. Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
15. Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
16. Department of Internal Medicine, Kaohsiung Medical University Hospital and College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
17. Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan
18. Department of Tropical Medicine and Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan
19. Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
20. China Medical University, Taichung, Taiwan
21. Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan