^○Kenichiro Yamashita¹, Taira Uehara¹, Prawiroharjo Pukovisa¹, Koji Yamashita², Osamu Togao², Akio Hiwatashi², Yoshihide Taniwaki³, Hidetsuna Utsunomiya⁴, Ryo Yamaski¹, Hiroshi Honda², Jun-ichi Kira¹ (1.Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, 2.Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3.Department of Neurology, Fukuoka Sanno Hospital, 4.Department of Radiology, Fukuoka Sanno Hospital)

^○Akinori Futamura, Azusa Shiromaru, Yukiko Mori, Takeshi Kuroda, Satoshi Yano, Ryuta Kinno, Hidetomo Murakami, Kenjiro Ono (Department of Neurology, Showa University School of Medicine)

^○Kaori Sumi, Noriyuki Kimura, Yasuhiro Aso, Masato Ishibashi, Mika Jikumaru, Etsurou Matsubara (Oita university neurology)

^○Akinori Nakamura, Kaori Iwata, Yutaka Arahata, Akinori Taleda, Yukihiko Washimi, Izumi Kuratsubo, Masahiko Bundo, Kengo Ito, Takashi Kato, MULNIAD study group (National Center for Geriatrics and Gerontology)

^○Hirokazu Uchigami¹, Kenichiro Sato¹, Tatsuo Mano¹, Miwako Takahashi², Toshimitsu Momose², Toshihiro Hayashi¹, Tatsushi Toda¹ (1.Department of Neurology, The University of Tokyo Hospital, 2.Department of Radiology, The University of Tokyo Hospital)