1. Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Kyoto 606-8501, Japan
2. Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan
3. Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka 565-0871, Japan
4. Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Fukuoka 812-8582, Japan