1. Division of Rheumatology, Department of Internal Medicine, School of Medicine, Faculty of Medicine, Toho University , Tokyo, Japan
2. Department of Epidemiology, Nara University School of Medicine , Nara, Japan
3. Department of Molecular-Targeting Prevention, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
4. Department of Public Health, Jichi Medical University , Tochigi, Japan
5. Department of Nephrology and Rheumatology, Kyorin University School of Medicine , Tokyo, Japan
6. Department of Pediatrics, Graduate School of Medicine, Yokohama City University , Yokohama, Japan
7. Department of Dermatology, Japan Community Health Care Organization Chukyo Hospital , Aichi, Japan
8. Division of Rheumatology, Department of Internal Medicine, Tokyo Women’s Medical University School of Medicine , Tokyo, Japan