Affiliation: | (1) Electronic Radiology Lab, Mallinckrodt Institute of Radiology, Washington University, 510 South Kingshighway, St Louis, MO 63110, USA;(2) Department of Otolaryngology, Head & Neck Surgery, Washington University, St. Louis, MO, USA;(3) Department of Otolaryngology, Head & Neck Surgery, University of North Carolina, Chapel Hill, NC, USA |