1. Department of Otolaryngology–Head and Neck SurgeryLouisiana State University Health Science Center–New Orleans New Orleans Louisiana
2. Department of Otolaryngology–Head and Neck SurgeryThomas Jefferson University Philadelphia Pennsylvania
3. Department of Otolaryngology–Head and Neck SurgeryOregon Health and Science University Portland Oregon
4. Department of Otolaryngology–Head and Neck SurgeryStanford University Stanford California
5. Department of Otolaryngology–Head and Neck SurgeryUniversity of Alabama at Birmingham Birmingham Alabama U.S.A.
6. Department of Pharmacology and Experimental TherapeuticsThomas Jefferson University Philadelphia Pennsylvania