1. Department of Otolaryngology‒Head and Neck SurgeryMedical University of South Carolina Charleston SC
2. Department of Otolaryngology‒Head and Neck SurgeryUniversity of Colorado Aurora CO
3. Division of Otolaryngology‒Head and Neck Surgery, Department of SurgeryUniversity of Utah Salt Lake City UT
4. Division of Rhinology and Sinus Surgery, Department of OtolaryngologyUniversity of Virginia Charlottesville VA
5. Division of Rhinology and Sinus/Skull Base Surgery, Department of Otolaryngology–Head and Neck SurgeryOregon Health Sciences University Portland OR