1. Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
2. Department of Community Medicine Supporting System, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
4. Department of Rheumatology and Clinical Immunology, Wakayama Medical University, Wakayama, Japan
5. Hanwa Dai-ni Senboku Hospital, Osaka, Japan