From the Department of Diagnostic Radiology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan (Y. Ohno); Joint Research Laboratory of Advanced Medical Imaging, Fujita Health University School of Medicine, Toyoake, Aichi, Japan (Y. Ohno and H.N.); Department of Radiology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan (Y. Ozawa and T.U.); Department of Diagnostic Radiology, Hyogo Cancer Center, Akashi, Hyogo, Japan (T.Y., D.T.); and Department of Radiology, Advanced Diagnostic Medical Imaging, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan (H.K.).

Conflicts of interest and sources of funding: Y. Ohno and H.N. received research grant from Canon Medical Systems Corporation. H.K. received research grant from GE Healthcare. The other authors have nothing to disclose.

Correspondence to: Yoshiharu Ohno, MD, PhD, Department of Diagnostic Radiology, Fujita Health University School of Medicine, 1-98, Dengakugakubo, Kutsukake-Cho, Toyoake, Aichi, 470-1192, Japan. E-mail: [email protected].