*Department of Otolaryngology, Washington University School of Medicine; †Mallinckrodt Institute of Radiology, Washington University School of Medicine; ‡Department of Radiology, Barnes-Jewish Hospital; and §Department of Radiology, St. Louis Children's Hospital, St. Louis, Missouri, U.S.A. Address correspondence and reprint requests to Joel A. Goebel, M.D., Department of Otolaryngology, Washington University School of Medicine, 660 S. Euclid Avenue, Campus Box 8115, St. Louis, MO 63110; E-mail: [email protected]
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Brenner et al. (2007) studied this question.
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