1. Department of Otolaryngology–Head and Neck Surgery, University of Minnesota, Minneapolis
2. Department of Otolaryngology–Head and Neck Surgery, University of Illinois, Chicago
3. Department of Otorhinolaryngology, Ochsner Clinic, New Orleans, Louisiana
4. Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston
5. Department of Surgery, University of Wisconsin, Madison
6. Department of Otolaryngology, Eastern Virginia Medical School, Norfolk
7. Otolaryngology and Communication Sciences, Medical College of Wisconsin, Milwaukee
8. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland
9. Otolaryngology–Head and Neck Surgery, Geisel School of Medicine at Dartmouth, White River Junction, Vermont