^○Tomokazu Numano¹, Shinya Seino², Tsutomu Kanazawa³, Takashi Kanezawa², Yuta Nojima³, Keisuke Igarashi¹, Kazuyuki Mizuhara⁴ (1.Department of Radiological Science, Tokyo Metropolitan University, 2.Department of radiology, Fukushima Medical University Hospital, 3.Division of Radiology, Department of Clinical Technology, Niigata University Medical and Dental Hospital, 4.Department of Mechanical Engineering, TOKYO DENKI UNIVERSITY)

^○Keisuke Igarashi¹, Tomokazu Numano^1,2, Daiki Ito^1,2,3, Takamichi Ueki¹, Tetsushi Habe¹, Takaaki Onishi⁴, Kazuyuki Mizuhara⁵, Naotaka Nitta², Masaki Misawa² (1.Department of Radiological Science, Graduate School of Human Health Science, Tokyo Metropolitan University, 2.National Institute of Advanced Industrial Science and Technology (AIST), 3.Office of Radiation Technology, Keio University Hospital, 4.Tobu Chiiki Hospital, Tokyo Metropolitan Health and Medical Treatment Corporation, 5.Department of Mechanical Engineering, TOKYO DENKI UNIVERSITY)

^○Kakegawa Takashi, Motosugi Utaroh, Sasaki Yu, Satou Kazuyuki, Kumagai Hiroshi, Sakamoto Hajime (University of Yamanashi)

^○Koki Ishii¹, Mikio Suga^1,2,3, Riwa Kishimoto³, Eika Hotta³, Takayuki Obata³ (1.Graduate School of Science and Engineering, Chiba University, 2.Center for Frontier Medical Engineering, Chiba University, 3.National Institute of Radiological Science, QST)

^○Masashi Usumura¹, Mikio Suga^1,2,3,4, Koki Ishii³, Riwa Kishimoto⁴, Eika Hotta⁴, Takayuki Obata⁴ (1.Faculty of Engineering, Chiba University, 2.Center for Frontier Medical Engineering, Chiba University, 3.Graduate School of Science and Engineering, Chiba University, 4.National Institute of Radiological Science, QST)

^○Koji Ohashi¹, Mikio Suga^1,2,3, Koki Ishii¹, Riwa Kishimoto³, Kannengiesser Stephan⁴, Takayuki Obata³ (1.Graduate School of Science and Engineering, Chiba University, 2.Center for Frontier Medical Engineering, Chiba University, 3.National Institute of Radiological Science, QST, 4.Siemens Healthcare GmbH)

^○Yu Sasaki¹, Utaroh Motosugi¹, Tomohiro Takamura², Hiroshi Kumagai¹, Takashi Kakegawa¹, Hiroshi Onishi¹ (1.Yamanashi univ. Radiology, 2.Juntendo univ. Radiology)