1. Department of Otolaryngology–Head and Neck Surgery, Naval Medical Center, Portsmouth, Va.
2. Uniformed Services University of the Health Sciences, Bethesda, Md.
3. Department of Pediatric Otolaryngology–Head and Neck Surgery, Children's Hospital of the Kings’ Daughters, Norfolk, Va.
4. Department of Otolaryngology–Head and Neck Surgery, Eastern Virginia Medical School, Norfolk.