Ryo Yamamoto¹, Soichiro Shimizu¹, Naoto Takenoshita¹, Yuta Inagawa¹, Kenji Ishii², Tomohiko Sato¹, Raita Fukasawa¹ (1.Tokyo Medical University Geriastric Medicine, Japan, 2.Tokyo Metropolitan Geriatric Medical Center, Japan)

Keisuke Mizutani, Kento Seko, Toshihiko Usami, Yuya Kano, Yuhei Tanno, Koji Takada (Toyokawa city hospital, department of neurology, Japan)

Noriko Nara, Naoya Kamimura, Yuki Matsunaga, Yu Amano, Asami Saitoh, Ryoo Yamamoto, Yosuke Kudo, Hideyuki Kikyo, Masahiro Yamamoto, Ken Johkura (Yokohama Brain and Spine Center, Japan)

Yuko Saito¹, Tetsunori Miyashita², Tomoyasu Matsubara¹, Takeshi Ikeuchi², Masaki Takao³, Shigeo Murayama¹ (1.Dept. Neuropath. Tokyo Metropolian Institute of Gerontology, Japan, 2.Brain Research Instit, Niigata Univ., Japan, 3.Dept. Labo. Med. National Center for Neurology and Psychiatry, Japan)

Toshiya Kizaki¹, Takanobu Ishiguro¹, Manabu Natsumeda³, Makoto Oishi³, Akiyoshi Kakita², Yukihiko Fujii³, Osamu Onodera¹, Masato Kanazawa¹ (1.Department of Neurology, Brain Research Institute, Niigata University, Japan, 2.Department of Pathology, Brain Research Institute, Niigata University, Japan, 3.Department of Neurosurgery, Brain Research Institute, Niigata University, Japan)