1. Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan;
2. Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan;
3. Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan;
4. Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan;
5. Department of Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan