Affiliation: | 1. Department of Otolaryngology–Head and Neck Surgery, University of Arkansas for Medical Sciences, 4301 West Markham Street, Slot 543, Little Rock, AR 72223, USA;2. Department of Otolaryngology–Head and Neck Surgery, University of Pittsburgh, Eye and Ear Institute, Suite 500, 203 Lothrop Street, Pittsburgh, PA 15213, USA |