Junya Ebina¹, Sunao Mizumura², Harumi Morioka¹, Mari Shibukawa¹, Junpei Nagasawa¹, Masaru Yanagihashi¹, Takehisa Hirayama¹, Nobutomo Ishii³, Yukio Kobayashi⁴, Akira Inaba⁵, Satoshi Orimo⁶, Osamu Kano¹ (1.Department of Neurology, Toho University Faculty of Medicine, Japan, 2.Department of Radiology, Toho University Faculty of Medicine, Japan, 3.Central Radiology Division, Department of Radiology, Toho University Omori Medical Center, Japan, 4.Department of Radiological Technology, Kanto Central Hospital, Japan, 5.Department of Neurology, Kanto Central Hospital, Japan, 6.Kamiyoga Setagaya Street Clinic, Japan)

Dilip Thakur, Jha A, Pathak A (B. P. Koirala Institute of Health Sciences, Nepal)

Tomoya Kawazoe¹, Keizo Sugaya¹, Yasuhiro Nakata², Masato Okitsu¹, Kazushi Takahashi¹ (1.Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan, 2.Department of Neuroradiology, Tokyo Metropolitan Neurological Hospital, Japan)

Yusuke Baba, Meiko Maeda, Masashi Hamada, Wataru Satake, Tatsushi Toda (Department of Neurology, The University of Tokyo Hospital, Japan)