1. Department of Biosciences and Informatics, Keio University, Kanagawa, Japan
2. Research Fellow of the Japan Society for the Promotion of Science (JSPS), Tokyo, Japan
3. Division of Immunology, National Center for Child Health and Development, Tokyo, Japan
4. National Institute of Advanced Industrial Science and Technology, Tokyo, Japan
5. Biotechnology Research Centre, The University of Tokyo, Tokyo, Japan
6. Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo, Japan
7. Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan