1. Department of Radiology, Weill Cornell Medical College, New York–Presbyterian Hospital, 525 E 68th St, New York, NY 10065.
2. Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, Atlanta, GA.
3. Department of Otolaryngology, Head and Neck Surgery, Emory University School of Medicine, Emory University Hospital, Atlanta, GA.