1. Department of Lifetime Clinical Immunology, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), Tokyo, Japan;
2. Department of Rheumatology, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), Tokyo, Japan;
3. Department of Rheumatology, Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan;
4. Department of Rheumatology, National Hospital Organization Tokyo National Hospital, Tokyo, Japan