Yoshihiro Okumura¹、Takenao Ohnishi¹、Minoru Irisawa¹、Takao Hiraki² (1.Department of Radiology, Okyama Kyokuto Hospital, Okayama, Japan、2.Department of Radiology, The University of Okayama, Okayama, Japan)

Daisuke Yoshikawa¹、Munenobu Nogami²、Masamichi Ikawa^2,3、Tetsuya Mori²、Akira Makino²、Yasushi Kiyono²、Tetsuya Tsujikawa¹、Hidehiko Okazawa² (1.Department of Radiology, University of Fukui, Fukui, Japan、2.Biomedical Imaging Research Center, University of Fukui, Fukui, Japan、3.Department of community health, University of Fukui, Fukui, Japan)

Akinori Takenaka^1,2、Takashi Nihashi²、Keita Sakurai²、Keiji Notomi³、Hokuto Ono³、Kazunari Ishii⁴、Kenji Ishii⁵、Yoshitaka Inui¹、Kengo Ito^2,6、Akinori Nakamura^6,7、Takashi Kato^2,6 (1.Department of Radiology, Fujita Health University School of Medicine, Toyoake, Japan、2.Department of Radiology, National Center for Geriatrics and Gerontology, Obu, Japan、3.Micron Inc. Imaging Service Dept. Tokyo, Japan、4.Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Japan、5.Team for Neuroimaging Research, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan、6.Department of Clinical and Experimental Neuroimaging, National Center for Geriatrics and Gerontology, Obu, Japan、7.Department of Biomarker Research, National Center for Geriatrics and Gerontology, Obu, Japan)

Koji Murakami、Yoshie Omiya、Atsushi Nakanishi、Keiko Tanimoto、Shota Takemoto、Satoshi Kimura (Department of Radiology, Juntendo University, Tokyo, Japan)

Kaoru Maruyama¹、Keita Utsunomiya¹、Yusuke Yakushiji²、Masayuki Matsumoto¹、Katsuya Nakano¹、Yukihiro Maeda¹、Sinshou Morita¹、Kikuko Konishi¹、Yumiko Kono¹、Yasuhiro Ueno¹、Noboru Tanigawa¹ (1.Department of Radiology, Kansai Medical University、2.Department of Neurology, Kansai Medical University, Osaka, Japan)