^○Kazuhiro Ishii¹, Kiyotaka Nemoto², Nobuaki Iwasaki³, Tomohiro Nakayama³, Yasuyuki Shibata⁴, Tomoyuki Masuda^1,5, Hirofumi Nemoto⁶, Akira Tamaoka¹ (1.Department of Neurology, University of Tsukuba Hospital, Japan, 2.Department of Psychiatry, University of Tsukuba Hospital, 3.Department of Pediatrics, Ibaraki Prefectural University of Health Sciences, 4.Center for Environmental Measurement and Analysis, National Institute for Environmental Studies, 5.Department of Neurobiology, University of Tsukuba, 6.Faculty of Medical and Health Care, Tsukuba International University)

^○Fumihiko Banno¹, Yasuaki Mizutani¹, Syoko Nakano¹, Kazutaka Hayashi¹, Kunihisa Kato¹, Atsuhiro Higashi¹, Koichi Kikuchi¹, Toshiki Maeda¹, Ryunosuke Nagao¹, Kenichiro Murate¹, Tomomasa Ishikawa¹, Seiko Hirota¹, Sayuri Shima¹, Mizuki Ito¹, Akihiro Ueda¹, Shinji Ito¹, Tatsuro Mutoh¹, Kazuhiro Murayama², Hiroshi Toyama², Hirohisa Watanabe¹ (1.Fujita Health University Hospital Neurology, Japan, 2.Fujita Health University Hospital Radiology)

^○Ryoo Yamamoto^1,2, Hiroyuki Ohtaki¹, Masahiro Shibuya¹, Noriko Nara¹, Yu Amano¹, Yosuke Kudo¹, Masao Kishimoto², Kazumitsu Amari², Yasunobu Nakai², Fumiaki Tanaka³, Ken Johkura¹ (1.Department of Neurology, Yokohama Brain and Spine Center, Japan, 2.Department of Neuro-endovascular therapy, Yokohama Brain and Spine Center, Japan, 3.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine)

^○Yasumasa Yamamoto¹, Yoshinari Nagakane² (1.Department of Neurology, Kyoto Katsura, Japan, 2.Department of Neurology, Kyoto Second Red Cross Hospital)

^○Yuki Yamamoto¹, Nobuaki Yamamoto¹, Kazutaka Kuroda¹, Izumi Yamaguchi², Takeshi Miyamoto², Syu Sogabe², Kenji Shimada², Yasuhisa Kenematsu², Yasushi Takagi², Yuishin Izumi¹ (1.Department of Neurology, Tokushima University Hospital, Japan, 2.Department of Neurosurgery, Tokushima University Hospital)

^○Tomoyuki Miyamoto, Kyoko Numahata, Kenta Yoshizawa, Sonoko Norimine, Tomohiro Ogawa, Takako Yokota, Hiroyuki Onoue, Ysuhisa Akaiwa, Yoshiteru Takiguchi (Department of Neurology, Dokkyo medical University Saitama Medical Center, Japan)