1. Department of Otolaryngology—Head and Neck Surgery, West Virginia University School of Medicine, Morgantown, West Virginia
2. Department of Otolaryngology—Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina
3. Rhinology and Skull Base Research Group, Applied Medical Research Centre, University of New South Wales and Macquarie University, Sydney, Australia
4. Department of Neurosciences, Medical University of South Carolina, Charleston, South Carolina