Masakazu Tsujimoto^1,2, Seiji Shirakawa², Atsushi Teramoto², Masanori Watanabe¹, Masaki Uno¹, Hiroshi Toyama³ (1.Department of Radiology, Fujita Health University Hospital, Toyoake, Japan, 2.School of Health Sciences, Fujita Health University, Toyoake, Japan, 3.School of Medicine, Fujita Health University, Toyoake, Japan)

Muneyuki Sakata¹, Kei Wagatsuma¹, Akira Hirayama², Hirofumi Kawakami², Jun Toyohara¹, Kenji Ishii¹ (1.Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan, 2.GE Healthcare Japan, Tokyo, Japan)

Hitoshi Iizuka¹, Hiromitsu Daisaki², Matsuyoshi Ogawa³, Keisuke Yoshida¹, Tomohiro Kaneta¹ (1.Department of Radiology, Yokohama City University, Yokohama, Japan, 2.Department of Radiological Technology, Gunma Prefectual College of Health Sciences, Maebashi, Japan, 3.Department of Radiological Technology, Yokohama City University Hospital, Yokohama, Japan)

Mikio Iwase¹, Tetsuya Minami², Yoya Tomita³, Emi Hayashi⁴, Takeshi Hashimoto¹, Kohei Senda¹, Masashi Jinnouchi² (1.Department of Diagnostic Radiology, Koseikai Hospital, Aichi, Japan, 2.Diagnostic PET-Imaging Center Atsuji Memorial Clinic, Kagoshima, Japan, 3.Central Division of Radiology, Mie University Hospital, Mie, Japan, 4.Department of Diagnostic Radiology, Foundation of Nagoya City Rehabilitation and Sports Center, Aichi, Japan)

Tensho Yamao^1,2, Kenta Miwa², Keisuke Matsubara³, Kei Wagatsuma⁴, Yuto Kamitaka², Reo Nemoto², Hiroshi Matsuda¹ (1.Department of Clinical Neuroimaging, Integrative Brain Imaging Center, National Center of Neurology and Psychiatry, Tokyo, Japan, 2.Department of Radiological Sciences, International University of Health and Welfare, Tochigi, Japan, 3.Department of Radiology Research, Research Institute for Brain and Blood Vessels-Akita, Akita, Japan, 4.Research Team for Neuroimaging, Tokyo Metropolitan Institute of Geriatric, Tokyo, Japan)