1. Department of Otolaryngology, University of Minnesota, Minneapolis2Department of Otolaryngology–Head and Neck Surgery, Gebze Fatih State Hospital, Gebze, Kocaeli, Turkey
2. Department of Otolaryngology, University of Minnesota, Minneapolis
3. Department of Otolaryngology, University of Minnesota, Minneapolis3Department of Otolaryngology–Head and Neck Surgery, Giresun A. Ilhan Ozdemir State Hospital, Giresun, Turkey
4. Paparella Ear Head & Neck Institute, Minneapolis, Minnesota