1. Division of Virology, Department of Microbiology and Immunology, Institute of Medical Science, University of Tokyo, Tokyo, Japan
2. Medical Proteomics Laboratory, Institute of Medical Science, University of Tokyo, Tokyo, Japan
3. Department of Pediatrics, Keiyu Hospital, Kanagawa, Japan
4. PRESTO, Japan Science and Technology Agency, Saitama, Japan
5. Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin—Madison, Madison, Wisconsin, USA
6. International Research Center for Infectious Diseases, Institute of Medical Science, University of Tokyo, Tokyo, Japan