1. Division of Hematology and Immunology, Kanazawa Medical University, Uchinada, Japan,
2. First Department of Internal Medicine, University of Toyama, Toyama, Japan,
3. Department of Internal Medicine, Nagaoka Red Cross Hospital, Nagaoka, Japan,
4. Department of Internal Medicine, University of Tsukuba, Tsukuba, Japan,
5. The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health Japan, Fukuoka, Japan,
6. Department of Rheumatology, NHO Nagasaki Medical Center, Nagasaki, Japan,
7. Miyashita Rheumatology Clinic, Nagasaki, Japan,
8. Department of Rheumatology, Japan Community Healthcare Organization (JCHO), Isahaya General Hospital, Nagasaki, Japan,
9. Division of Hematology, Rheumatology and Respiratory Medicine, Department of Internal Medicine, Faculty of Medicine, Kagawa University, Takamatsu, Japan,
10. Department of Internal Medicine, Mitoyo General Hospital, Kan'onji, Japan,
11. Division of Hematology and Immunology, Maizuru-Kyousai Hospital, Kyoto, Japan,
12. Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan,
13. Laboratory of Basic Physical Therapy Science, Nagasaki Graduate School of Health Sciences, Nagasaki, Japan,
14. Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan,
15. Division of Nephrology, Department of General Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan,
16. Division of Respiratory Medicine, Kanazawa Medical University, Uchinada, Japan,
17. Department of Oncology/Hematology, School of Medicine, Shimane University, Izumo, Japan,
18. Department of Epidemiology and Public Health (School of Nursing), Kanazawa Medical University, Uchinada, Japan,
19. Department of Pathology, Okayama University Graduate School of Medicine, Okayama, Japan,
20. Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan,
21. Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan, and
22. Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Uchinada, Japan