1. Department of Infection Biology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan.
2. PhD Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Japan.
3. Department of Pathology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan.
4. School of Medicine, University of Tsukuba, Tsukuba, Japan.
5. Institute of Virology, University Medical Center Freiburg, Freiburg, Germany.
6. Faculty of Medicine, University of Freiburg, Freiburg, Germany.
7. Spemann Graduate School of Biology and Medicine, University of Freiburg, Freiburg, Germany.
8. Transborder Medical Research Center, University of Tsukuba, Tsukuba, Japan.
9. Microbiology Research Center for Sustainability, University of Tsukuba, Tsukuba, Japan.