1 Department of Otolaryngology-Head and Neck Surgery, University of Minnesota, Minneapolis, Minnesota, USA.
2 Department of Otolaryngology-Head and Neck Surgery, University of Minnesota, Minneapolis, Minnesota, USA; Department of Otolaryngology and Head and Neck Surgery, Banco de Olhos de Sorocaba Hospital, Sorocaba, Brazil.
3 Department of Otolaryngology-Head and Neck Surgery, University of Minnesota, Minneapolis, Minnesota, USA; Paparella Ear Head and Neck Institute, Minneapolis, Minnesota, USA.