1. Division of Rhinology/Skull Base Surgery, Department of Otolaryngology—Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, United States
2. Division of Rhinology/Skull Base Surgery, Department of Otolaryngology—Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, United States
3. Department of Otolaryngology, Walter Reed National Military Medical Center, Bethesda, Maryland, United States