^○Kunihiro Yabe¹, Yasuo TAKATSU^2,3, Hideto Kuribayashi⁴, Kagayaki Kuroda^5,6 (1.Department of Radiology, Yamagata Prefectural Shinjo Hospital, 2.Department of System Control Engineering, Graduate School of Engineering, Tokushima Bunri University, 3.Department of Radiological Technology, Faculty of Health and Welfare, Tokushima Bunri University, 4.Siemens Healthcare K.K., 5.Department of Human and Information Science School of Information Science and Technology Tokai University, 6.Center for Frontier Medical Engineering Chiba University)

^○Shohei Matoba, Masaaki Fukunaga, Takashi Ogasahara, Takayuki Miyazaki, Tomoyuki Moriyama, Hideki Mitsui (Department of Radiological Technology, Kurashiki Central Hospital)

^○Kunihiro Yabe^1,2, Kousaku Saotome^1,3, Kosuke Morita^1,4, Naoto Yoshida^1,2, Yukiko Hoshi^1,5, Toshiki Tateishi^1,6, Tsutomu Kanazawa^1,7, Tsukasa Doi^1,8 (1.Japan authorize organization for magnetic resonance technological specialist, Academic Research Group 2020, 2.Department of Radiology, Yamagata Prefectural Shinjo Hospital, 3.School of Health Sciences, Fukushima Medical University, 4.Department of Radiology, Kumamoto University Hospital, 5.Japan Community Health care Organization Sendai Hospital, 6.National Hospital Organization Miyagi National Hospital, 7.Division of Radiology,Department of Clinical Technology,Niigata University Medical and Dental Hospital, 8.Kouseikai Takai Hospital)

^○Keigo Arita, Daichi Takemori, Chisato Ota, Mitsuji Higashida, Eiji Yamada (Department of Radiology,Osaka City University Hospital)

^○Ren Takahari¹, Minghui Tang², Toru Yamamoto³ (1.Graduate School of Health Sciences, Hokkaido University, 2.Faculty of Medicine and Graduate School of Medicine, Hokkaido University, 3.Faculty of Health Sciences, Hokkaido University)

^○Kazuyuki Ito, Nozomi Hamasaki, Reiko Inaba, Hitoshi Maekawa, Kazuhiko Doryo (Department of Radiology, Juntendo University Nerima Hospital)