1. From the Department of Radiology, University of Calgary, Calgary, Alberta, Canada (D.P.B., A.M., S.R.W.); Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada (A.C.H.); and Department of Radiology, University of Toronto, Toronto, Ontario, Canada (L.M.). Recipient of a Magna Cum Laude award for an education exhibit at the 2016 RSNA Annual Meeting.