^○Kazuo Yagi^1,2, Tomoki Hamada², Seiichi Sugimoto^3,2, Tadashi Inaba² (1.Graduate School of Human Health Sciences, Tokyo Metropolitan University, 2.Graduate School of Engineering, Mie University, 3.Tokyo Metropolitan College of Industrial Technology)

^○Takamasa Sugiura¹, Takuya Fujimaki², Kensuke Shinoda², Hiroshi Takai² (1.Toshiba Corporation, R&D Center, 2.Toshiba Medical Systems Corporation)

^○Takamasa Sugiura¹, Takuya Fujimaki², Kensuke Shinoda², Hiroshi Takai² (1.Toshiba Corporation, R&D Center, 2.Toshiba Medical Systems Corporation)

^○Tadashi Yamamoto¹, Katuhisa Yoshikawa¹, Hirosi Taneichi¹, Yoshiteru Seo² (1.Dept of Orthop Surg, Dokkyo Med Univ, 2.Dept of Regul Physiol, Dokkyo Med Univ)

^○Mayuko Haraikawa¹, Masashi Suzuki¹, Kaiji Inoue¹, Eito Kozawa¹, Hiroshi Imai², Mamoru Niitsu¹ (1.Saitama Medical University, 2.Siemens Healthcare K.K.)

^○Katsumasa Tanabe¹, Yoshikazu Okamoto², Katsumi Kose¹, Yasuhiko Terada¹ (1.Institute of Applied Physics, 2.Comprehensive Human Sciences)

^○Hiroyuki Takashima^1,2, Tsuneo Takebayashi³, Mitsunori Yoshimoto², Rui Imamura¹, Mika Yanagida¹, Yoshihiro Akatsuka¹, Mitsuhiro Nakanishi¹, Masamitsu Hatakenaka⁴, Toshihiko Yamashita² (1.Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital, 2.Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, 3.Sapporo Maruyama Orhopaedic Hospital, 4.Department of Diagnostic Radiology, Sapporo Medical University School of Medicine)