1. Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan
2. Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Shibakoen, Minato-ku, Tokyo, Japan
3. Cellular and Molecular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan