^○Mizuki Takada¹, Hisashi Kitagawa², Hiroaki Suzuki¹, Tomoki Koide¹, Tomoo Sakurai¹ (1.Dept. of Radiology , Jikei Univ. Katsushika Medical Center, 2.Dept. of Radiology , Jikei Univ. Hospital)

^○Kosuke Morita¹, Yoneyama Masami², Fukuda Shogo¹, Uetani Hiroyuki³, Akira Sasao³, Oda Seitaro³, Nakaura Takeshi³, Hatemura Masahiro¹, Hirai Toshinori³ (1.Department of Radiology, Kumamoto University Hospital, 2.Philips Japan, 3.Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University)

^○Ryu Iijima, Yuto Kinoshita, Akira Ichikawa (Department of Radiology, Ageo Central General Hospital)

^○Naofumi Hattori¹, Tomoe Nakano¹, Makoto Hasegawa², Tatsuya Gomi² (1.Toho university Ohashi Medical Center , division of radiology, 2.Toho university Ohashi Medical Center, department of radiology)

^○Akihiko Sakata¹, Ryo Sakamoto¹, Yasutaka Fushimi¹, Satoshi Nakajima¹, Takuya Hinoda¹, Sonoko Oshima¹, Tomohisa Okada², Sachi Okuchi¹, Sayo Otani¹, Wicaksono Krishna Pandu¹, Azusa Sakurama¹, Hiroshi Tagawa¹, Yang Wang¹, Satoshi Ikeda¹, Speier Peter³, Schmidt Michaela³, Forman Christoph³, Yuji Nakamoto¹ (1.Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University, Kyoto, Japan, 2.Human Brain Research Center, Graduate School of Medicine, Kyoto University, Kyoto, 3.Siemens Healthcare GmbH)

^○Tomohiro Kawasaki¹, Kinya Ishizaka¹, Youhei Ikebe², Kuniaki Harada³, Ryuji Shirase⁴, Ryota Satou⁴, yositaka bitou⁴, Kohsuke Kudou² (1.Department of Radiology, Division of Medical Imaging and Technology, Hokkaido University Hospital, 2.Department of Diagnostic and Interventional Radiology, Hokkaido University, 3.Department of Radiology, Kashiwaba Neurosurgical Hospital, 4.FUJIFILM Healthcare Corporation)

^○yuto kinoshita, ryu iijima (Department of Radiology, Ageo Central General Hospital)