1. Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston2Ralph H. Johnson, Veterans Affairs Medical Center, Charleston, South Carolina
2. Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston3Department of Pediatrics, Medical University of South Carolina, Charleston
3. Department of Public Health Sciences, Medical University of South Carolina, Charleston
4. Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston