1. Division of Molecular and Cellular Immunoscience, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
2. Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
3. Laboratory of Biomolecule Analysis, Department of Applied Genomics, Kazusa DNA Research Institute, Chiba, Japan
4. Metabolome Informatics Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, Japan
5. Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan
6. Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Tokyo, Japan