1. Department of Dermatology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan,
2. Division of Rheumatology, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan,
3. Rheumatic Disease Center, Kurashiki Medical Center, Kurashiki, Okayama, Japan,
4. Division of Environmental Medicine, National Defense Medical College Research Institute, Saitama, Japan,
5. Division of Rheumatology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan,
6. Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan,
7. Division of Immunology and Rheumatology, Department of Medicine 3, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan, and
8. Department of Pathology, Tsurumi University School of Dental Medicine, Yokohama, Kanagawa, Japan