Daisuke Ono^1,2,6, Yukiko Shishido-hara^3,6, Saneyuki Mizutani¹, Yoko Mori^1,5, Keiko Ichinose^1,2, Mutsufusa Watanabe¹, Tohru Tanizawa⁴, Takanori Yokota², Toshiki Uchihara^5,6, Hiroto Fujigasaki¹ (1.Department of Internal Medicine, Tokyo Metropolitan Bokutoh Hospital, 2.Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 3.Department of Anatomic Pathology, Tokyo Medical University, 4.Department of Pathology, Tokyo Metropolitan Bokutoh Hospital, 5.Department of Neurology, Nitobe Memorial Nakano General Hospital, 6.Laboratory of Structural Neuropathology, Tokyo Metropolitan Institute of Medical Science)

Kazuki Kasuga¹, Junji Ikeda¹, Nobuhiko Ohashi¹, Yumi Akagawa², Kazuo Nakamichi³, Yoshiki Sekijima^1,4 (1.Department of Medicine (Neurology and Rheumatology), Shinshu University, 2.Department of Neurology, Hokushin General Hospital, 3.Department of Virology 1, National Institute of Infectious Diseases, 4.Institute for Biomedical Sciences, Shinshu University)

Katsuhiko Kunitake¹, Ryosuke Inagaki¹, Soma Furukawa¹, Junichiro Suzuki¹, Suguru Nishida¹, Yasuhiro Ito¹, Shinya Nagahisa², Satoru Kitagawa³, Kenta Takahashi⁴, Yukiko Shishido-hara⁵ (1.Department of Neurology, Toyota Memorial Hospital, 2.Department of Neurosurgery, Toyota Memorial Hospital, 3.Department of Patholgy, Toyota Memorial Hospital, 4.Department of Pathology, National Institute of Infectious Diseases, 5.Department of Pathology, Tokyo Medical University)

Kazuto Katsuse¹, Yu Seri², Takeshi Suzuki², Tadao Ishida³, Kazuo Nakamichi⁴, Hideji Hashida¹ (1.Department of Neurology, Japanese Red Cross Medical Center, Tokyo, Japan, 2.Department of Allergology and Rheumatology, Japanese Red Cross Medical Center, Tokyo, Japan, 3.Department of Hematology, Japanese Red Cross Medical Center, Tokyo, Japan, 4.Department of Virology 1, National Institute of Infectious Diseases, Tokyo, Japan)