1. Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan
2. Department of Neurology, Kyoto University Graduate School of Medicine, Japan
3. Department of Anatomic Pathology, Tokyo Medical University, Japan
4. Department of Pathology and Applied Neurobiology, Kyoto Prefectural University of Medicine, Japan
5. Department of Virology 1, National Institute of Infectious Diseases, Japan
6. Department of Neuroradiology, Tokyo Metropolitan Neurological Hospital, Japan
7. Department of Laboratory Medicine and Pathology (Neuropathology), Tokyo Metropolitan Neurological Hospital, Japan