1. Department of Otolaryngology, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
2. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri, USA
3. Department of Otolaryngology, Wayne State University, Detroit, Michigan, USA
4. Department of Otolaryngology, Tulane University, New Orleans, Louisiana, USA
5. Department of Otolaryngology–Head and Neck Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
6. Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, USA