Affiliation: | 1. Department of Otolaryngology, Vanderbilt Voice Center, Nashville, Tennessee, U.S.A.;2. Department of Audiology and Speech Pathology, Department of Otolaryngology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, U.S.A.;3. Ear, Nose, and Throat Center of the Ozarks, Springdale, Arkansas, U.S.A. |