1. Department of Rheumatology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University (TMDU); Tokyo Japan
2. Department of Rheumatology and Clinical Immunology; Graduate School of Medicine; Kyoto University; Kyoto Japan
3. Department of Neurology and Clinical Neuroscience; Yamaguchi University Graduate School of Medicine; Yamaguchi Japan
4. Department of Neurology; Graduate School of Medicine; The University of Tokyo; Tokyo Japan
5. Department of Neurology; Kawasaki Medical School; Okayama Japan
6. Department of Dermatology; Faculty of Medicine; University of Tsukuba; Ibaraki Japan
7. Department of Rheumatology; Tokyo Women's Medical University; Tokyo Japan
8. Department of Dermatology; Wakayama Medical University Graduate School of Medicine; Wakayama Japan
9. Department of Dermatology; Nagoya University Graduate School of Medicine; Nagoya Japan
10. Department of Neurology and Neurological Science; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University (TMDU); Tokyo Japan
11. Division of Public Health, Department of Social Medicine; Faculty of Medicine; Saitama Medical University; Saitama Japan
12. Department of Internal Medicine; Faculty of Medicine; University of Tsukuba; Ibaraki Japan