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