Affiliation: | 2. University of Pittsburgh School of Medicine, Division of Internal Medicine, Pittsburgh, Pennsylvania;3. Emory University, Department of Otolaryngology, Atlanta, Georgia;4. University of Pittsburgh Medical Center, Department of Otolaryngology, Pittsburgh, Pennsylvania;2. Universidad de los Andes, Chile, Department of Communication Sciences and Disorders, Las Condes Clinic, Department of Otolaryngology, Santiago, Chile;3. Universidad de los Andes, Department of Communication Sciences and Disorders, Santiago, Chile |