1. Department of Internal Medicine, Osaka Prefectural Habikino Hospital
2. First Department of Internal Medicine, Faculty of Medicine, University of Tokyo
3. Department of Medicine and Physical Therapy, Faculty of Medicine, University of Tokyo
4. Department of Laboratory Medicine, Faculty of Medicine, University of Tokyo
5. Department of Infectious Diseases, The Institute of Medical Science, University of Tokyo
6. Section of Infectious Disease, Tokyo Metropolitan Geriatric Hospital
7. Department of Rheumatology, Juntendo University School of Medicine
8. Department of Rheumatology, Clinical Research Institute, National Medical Center
9. Department of Internal Medicine, Atami National Hospital
10. Division of Hematology and Immunology, Department of Internal Medicine, Kanazawa Medical University
11. The First Division, Department of Internal Medicine, Faculty of Medicine, Kyoto University
12. College of Medical Technology, Kyoto University
13. Third Department of Internal Medicine, Kinki University School of Medicine
14. Department of Internal Medicine, Osakaminami National Hospital
15. Third Department of Internal Medicine, Okayama University Medical School
16. Second Department of Internal Medicine, Hiroshima University School of Medicine
17. Third Department of Internal Medicine, School of Medicine, The University of Tokushima
18. Department of Internal Medicine, Saga Medical School
19. Second Department of Internal Medicine, Nagasaki University School of Medicine
20. Scientific Customer Service Center of The Green Cross Corporation