Yohei Tanaka^1,2, Shinichi Katada¹, Hiroki Takano¹ (1.Department of Neurology, Tachikawa General Hospital, Japan, 2.Antimicrobial Stewardship Team, Tachikawa General Hospital, Japan)

Takashi Nakamura¹, Rena Okudera², Tatsuya Ueno¹, Rie Haga¹, Akira Arai¹, Masahiko Tomiyama³ (1.Department of Neurology, Aomori Prefectural Central Hospital, Japan, 2.Department of Neurology, Anti-aging and Vascular medicine, National Defense Medical College, Japan, 3.Department of Neurology, Hirosaki Graduate School of Medicine, Japan)

Yoshinori Endo, Sayaka Sanada, Kojiro Usui, Hirohito Sasaki, Yuki Kitazaki, Soichi Enomoto, Masamichi Ikawa, Osamu Yamamura, Tadanori Hamano (Second Department of Internal Medicine, University of Fukui Hospital, Japan)

Tomone Taneda, Yusuke Seki, Yoshitaka Umeda, Maiko Umeda, Aiko Isami, Mutsuo Oyake, Nobuya Fujita (Department of Neurology, Nagaoka Red Cross Hospital, Japan)

Shigehisa Ura, Tomoki Ishimaru, Sumire Nunomura, Masahiro Wakita (Department of Neurology,Japanese Red Cross Asahikawa Hospital, Japan)