Shotaro Haji¹, Wataru Sako^1,2, Kenta Hanada¹, Yusuke Osaki¹, Yuki Matsumoto³, Masafumi Harada³, Yuishin Izumi¹ (1.Department of Neurology, Tokushima University Graduate School of Biomedical Sciences, Japan, 2.Department of Neurology, Faculty of Medicine, Juntendo University School of Medicine, Japan, 3.Department of Radiology and Radiation Oncology, Tokushima University Graduate School of Biomedical Sciences, Japan)

Ryu Yokoyama, Yuta Sakasai, Syugo Fujita, Kazuhide Seo, Hitoshi Kawasaki, Toshimasa Yamamoto (Department of neurology , Saitama Medical University, Japan)

Wataru Sako¹, Akimitsu Suda¹, Daisuke Taniguchi¹, Atsuhiko Shindo¹, Takashi Ogawa¹, Yutaka Oji¹, Taku Hatano¹, Koji Kamagata², Shigeki Aoki², Nobutaka Hattori¹ (1.Department of Neurology, Juntendo University School of Medicine, Japan, 2.Department of Radiology, Juntendo University School of Medicine, Japan)

Jinsoo Koh, Kazuma Nakai, Hidefumi Ito (Department of Neurology, Wakayama Medical University, Japan)

Yuki Asahara, Kenji Ishibashi, Masashi Kameyama, Kenji Ishii (Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Japan)

Michiko Izumi^1,2, Shigeki Hirano^1,2, Atsuhiko Sugiyama¹, Yoshikazu Nakano^1,2, Masatsugu Yakiyama², Yoshihisa Kitayama^1,2, Yume Koizumi^1,2, Takashi Iimori³, Takuro Horikoshi³, Satoshi Kuwabara¹ (1.Department of Neurology, University of Chiba, Japan, 2.Medical Center for Dementia, Chiba University Hospital, Japan, 3.Department of Radiology, University of Chiba, Japan)