1. From the Department of Diagnostic Imaging, Rabin Medical Center, Beilinson Campus, 39 Jabotinski St, 49100 Petah Tikva, Israel (S.T.); Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel (S.T., N.T.); and Department of Diagnostic Imaging, Sheba Medical Center, Ramat-Gan, Israel (N.T.).