^○Hiroshi Juri (Department of Diagnostic Radiology, Osaka Medical and Pharmaceutical University)

^○Hideyuki Fukui, Takahiro Tsuboyama, Hiromitsu Onishi, Atsushi Nakamoto, Takashi Ota, Keigo Yano, Mitsuaki Tatsumi, Noriyuki Tomiyama (Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine)