1 Department of Otolaryngology - Head & Neck Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
2 Promedica Physicians - Ear, Nose, and Throat, Toledo, OH, USA.
3 Department of Otolaryngology - Head & Neck Surgery, University of Michigan, Ann Arbor, MI, USA.
4 Department of Otolaryngology - Head & Neck Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA. Electronic address: [email protected].