1. Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan
2. Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
3. Department of Immune Response Dynamics, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan