1. The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
2. Department of Allergy and Rheumatology, Nippon Medical School, Graduate School of Medicine, Tokyo, Japan
3. Department of Rheumatology and Clinical Immunology, Wakayama Medical University, Wakayama, Japan
4. Division of Rheumatology, Toho University, Tokyo, Japan
5. Department of Dermatology, Nagoya University Graduate School of Medicine, Nagoya, Japan
6. Department of Allergy and Rheumatology, Graduation School of Medicine, The University of Tokyo, Tokyo, Japan
7. Department of Pediatrics, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
8. Division of Rheumatology, Department of Internal Medicine, Fujita Health University School of Medicine, Aichi, Japan
9. Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
10. Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
11. Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Hiroshima, Japan
12. Department of Lifetime Clinical Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan