1. Department of Nephrology, Rheumatology, Endocrinology, and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
2. Department of Clinical Epidemiology, Kochi Medical School, Kochi University, Kochi, India
3. Division of Rheumatology, Department of Internal Medicine, Showa University School of Medicine, Tokyo, Japan
4. Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
5. Center for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima, Japan
6. Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Matsumoto, Japan
7. Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, Yokohama, Japan
8. Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
9. Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
10. Department of Rheumatology, Yokohama Rosai Hospital, Yokohama, Japan
11. Department of Rheumatology, Fukushima Medical University School of Medicine, Fukushima, Japan