1. Department of Surgery University of Utah Salt Lake City UT
2. Department of Otolaryngology–Head and Neck Surgery Oregon Health & Science University Portland OR
3. Department of Otolaryngology Head and Neck Surgery, University of Colorado–Anschutz Medical Campus Aurora CO
4. Department of Otolaryngology–Head and Neck Surgery University of California at Los Angeles Los Angeles CA
5. Department of Otolaryngology–Head & Neck Surgery Medical University of South Carolina Charleston SC