1. From the Departments of Radiology of Trinity Health Oakland Hospital/Wayne State University School of Medicine, 44405 Woodward Ave, Medical Education, Pontiac, MI 48341 (K.M.Z.M.); University of British Columbia, Vancouver, British Columbia, Canada (H.B.); University of California–San Diego, San Diego, Calif (M.H.); and Tata Memorial Hospital, Mumbai, India (A.V.).