1. Research Center for Asian Infectious Diseases, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
2. Department of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
3. Division of Cancer Cell Research, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
4. Department of Life Science and Medical Bio-Science, Waseda University, Tokyo, Japan
5. Laboratory of Molecular and Genetic Information, Institute for Quantitative Biosciences, The University of Tokyo, Tokyo, Japan
6. Division of Molecular Virology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
7. Research Platform Office, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan