1. Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan;
2. Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan;
3. Department of Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan;
4. Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan