1. Department of Otolaryngology–Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
2. Department of Otolaryngology–Head and Neck Surgery, The Pennsylvania State University, College of Medicine, Hershey, Pennsylvania, USA
3. Department of Otolaryngology, University of Pittsburgh School of Medicine, UPMC Centers for Cranial Base Surgery & Sinonasal Disorders and Allergy, Pittsburgh, Pennsylvania, USA
4. Department of Public Health Sciences, The Pennsylvania State University, College of Medicine, Hershey, Pennsylvania, USA