1. Laboratory of Virus Immunology, Institute for Frontier Life and Medical Science, Kyoto University, Kyoto, Japan
2. Laboratory of Molecular and Cellular Immunology, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
3. Institute of Cardiovascular Immunology, University Hospital Bonn, University of Bonn, Bonn, Germany
4. Special Pathogens Laboratory, Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan