1. Department of Cell Biology and Neuroscience Juntendo University Graduate School of Medicine Tokyo Japan
2. Laboratory of Morphology and Image Analysis, Biomedical Research Core Facilities Juntendo University Graduate School of Medicine Tokyo Japan
3. Department of Cellular and Molecular Neuropathology Juntendo University Graduate School of Medicine Tokyo Japan
4. Department of Molecular Virology, Research Institute for Microbial Diseases Osaka University Japan