Shogo Watanabe¹, Yuichi Kimura², Masahiro Mishina³, Ishii Kazunari^4,5, Takahiro Yamada⁶, Naozo Sugimoto¹ (1.Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan, 2.Biology-Oriented Science and Technology, Kindai University, Japan, 3.Department of Neurological Science, Graduate School of Medicine, Nippon Medical School, 4.Division of PET Molecular Imaging, Kindai University, Osaka, Japan, 5.Department of Radiology, Faculty of Medicine, Kindai University, Osaka, Japan, 6.Graduate School of Biology-Oriented Science and Technology, Kindai University, Japan)

Kaoru Sousa, Ryuichi Takahashi, Jun Fujita, Tetsuo Kashibayashi, Kouhei Marumoto, Tatsuya Tanaka, Shingo Yoshino, Tsutomu Ogawa, Makoto Tadano, Eiji Mizuta (Department of Radiology, Hyogo Prefectural Rehabilitation Hospital at Nishi-Harima, Hyogo, Japan)

Tomoya Nakatsuka¹, Shusuke Kasuya¹, Tsutomu Inaoka¹, Ryuji Sakakibara², Hitoshi Terada¹ (1.Department of Radiology, Toho University Sakura Medical Center, Sakura, Japan, 2.Department of Neurology, Toho University Sakura Medical Center, Sakura, Japan)

Masanari Nonokuma¹, Shigeki Nagamachi¹, Koichi Takano¹, Shinji Ouma², Yoshio Tsuboi², Kengo Yoshimitsu¹ (1.Department of Radiology, Fukuoka University Hospital, Fukuoka, Japan, 2.Department of Neurology, Fukuoka University Hospital, Fukuoka, Japan)

Kiyomi Amemiya¹, Syuri Takahashi², Kazutaka Tanabe³, Makiko Kitami³, Naoki Harada⁴, Jyun Isogai⁴, Ukihide Tateishi⁵ (1.Radiology department, Tokyo Metropolitan Matsuzawa Hospital, Tokyo, Japan, 2.Psychiatry department, Tokyo Metropolitan Matsuzawa Hospital, Tokyo, Japan, 3.Neurolosy department, Tokyo Metropolitan Matsuzawa Hospital, Tokyo, Japan, 4.Department of Radiology, Asahi General Hospital, Chiba, Japan, 5.Department of Diagnostic Radiology and Nuclear Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan)

Makiko Yogo, masayo Morita, Yuki Asahara, Masahiko Suzuki (Department of Neurology, The Jikei University School of Medicine, Katsushika Medical Center, Tokyo, Japan)

Yayoi Kurita¹, Ikuo Nishihara¹, Tooru Ozawa¹, Noboru Oriuchi² (1.Department of Radiology, Ota Memorial Hospital, Gunma, Japan, 2.Department of Radiology,Advanced Clinical Research Center Fukushima Medical University,Fukusima,Japan)