1. Institute for Advanced Biosciences, Keio University
2. Yamagata 997-0052
3. Japan
4. Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo
5. Tokyo 113-8656
6. National Institute of Technology, Tsuruoka College
7. Tsuruoka
8. Intestinal Microbiota Project, Kanagawa Institute of Industrial Science and Technology
9. Kawasaki
10. Department of Bioengineering, Graduate School of Engineering, The University of Tokyo