1. Division of Clinical Immunology and Rheumatology, Department of Internal Medicine, Sumitomo Hospital, Osaka, Japan
2. Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medicine, Fukuoka, Japan
3. Department of Hematology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
4. Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
5. Laboratory of Immune Regulation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
6. The Institute of Scientific and Industrial Research, SANKEN, Osaka University, Osaka, Japan