1. From the Department of Radiology, University of Pennsylvania, 3400 Spruce St, Philadelphia, PA 19104 (R.J.A., E.F.C., D.K.); Department of Radiology, Seoul National University Hospital, Seoul, South Korea (S.H.L., W.K.M.); and Department of Radiology, NYU Langone Health, New York, NY (B.R., L.M.).