Shingo Baba¹、Takuro Isoda¹、Yasuhiro Maruoka¹、Yoshiyuki Kitamura¹、Masayuki Sasaki²、Kosei Isigami¹ (1.Department of Clinical Radiology Kyushu University, Fukuoka, Japan、2.Department of Health Sciences, Kyushu University, Fukuoka, Japan)

Keisuke Matsubara^1,2、Masanobu Ibaraki²、Yuya Onishi³、Fumio Hashimoto³、Yuki Shinohara²、Kaoru Sato²、Hiroyuki Yamamoto²、Toshibumi Kinoshita² (1.Research Institute for Brain and Blood Vessels, Akita Cerebrospinal and Cardiovascular Center、2.Department of Radiology and Nuclear Medicine, Research Institute for Brain and Blood Vessels, Akita Cerebrospinal and Cardiovascular Center、2.Central Research Laboratory, Hamamatsu Photonics K.K., Hamamatsu, Japan)

Tensho Yamao^1,2、Ryo Yamakuni²、Noriyuki Takahashi¹、Shirou Ishii²、Hiroshi Ito² (1.Department of Radiological Sciences, School of Health Science, Fukushima Medical University、2.Department of Radiology, School of Medicine, Fukushima Medical University)

Yoshitake Takahashi¹、Mana Yoshimura¹、Kazuhiro Saito¹、Soichiro Shimizu² (1.Department of Radiology, Tokyo Medical University, Tokyo, Japan、2.Department of Geriatric Medicine, Tokyo Medical University, Tokyo, Japan)

Tsutomu Zeniya¹、Akito Yabe¹、Yuta Tsushima¹、Keisuke Matsubara²、Kazuhiro Koshino³、Hiroshi Watabe⁴ (1.Graduate School of Science and Technology, Hirosaki University, Hirosaki, Japan、2.Depertment of Radiology and Nuclear Medicine, Research Institute for Brain and Blood Vessels, Akita Cerebrospinal and Cardiovascular Center, Akita, Japan、3.Department of Systems and Informaticsm Faculty of Business Administration and Information Science, Hokkaido Information University, Ebetsu, Japan、4.Cyclotron and Radioisotope Center, Tohoku University, Sendai, Japan)