1. Department of Otolaryngology–Head and Neck Surgery The Johns Hopkins University School of Medicine Baltimore MD
2. Department of Surgery, Division of Otolaryngology–Head and Neck Surgery University of California San Diego San Diego CA
3. Department of Otolaryngology–Head and Neck Surgery Baylor College of Medicine Houston TX
4. Department of Otolaryngology–Head and Neck Surgery Emory University School of Medicine Atlanta GA