Affiliation: | 1. Department of Otolaryngology–Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, OH;2. Department of Otolaryngology–Head and Neck Surgery, Case Western Reserve University School of Medicine, Cleveland, OH;3. Department of Statistics, University of Pittsburgh, Pittsburgh, PA;4. Department of Otolaryngology, University of Pittsburgh Medical Center (UPMC), UPMC Mercy, Pittsburgh, PA |