1. Department of Otolaryngology - Head and Neck Surgery; Oregon Health and Science University; Portland Oregon
2. Department of Otolaryngology; Columbia University; New York New York
3. Department of Otolaryngology; Tulane University; New Orleans Louisiana
4. Department of Otolaryngology; Moffitt Cancer Center; Tampa Florida
5. University of Stanford
6. Department of Otolaryngology; University of Alabama; Tuscaloosa Alabama
7. Department of Otolaryngology; Memorial Sloan-Kettering Cancer Center; New York New York
8. Department of Otolaryngology; Harvard Medical School; Boston Massachusetts
9. Department of Otolaryngology; Georgia Regents University; Augusta Georgia
10. Department of Otolaryngology; Massachusetts Eye and Ear Infirmary, Harvard Medical School; Boston Massachusetts