1. Department of Professional Development in Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo
2. Department of Rheumatology and Clinical Immunology, Sakai City Medical Center, Osaka
3. Department of Rheumatology, Niigata Rheumatic Center, Niigata
4. Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki
5. Department of Respiratory Medicine and Rheumatology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima
6. Division of Hematology and Rheumatology, Department of Internal Medicine, National Defense Medical College, Saitama
7. Division of Rheumatic Diseases, National Center for Global Health and Medicine, Tokyo
8. Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo
9. Division of Rheumatology and Allergology, Department of Internal Medicine, St Marianna University School of Medicine, Kanagawa
10. Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki
11. Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba
12. Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine, Hokkaido University, Hokkaido
13. Department of Internal Medicine, Juntendo University Koshigaya Hospital, Saitama
14. Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan