1. Department of Otolaryngology–Head and Neck Surgery, Baylor College of Medicine, Houston, TX;
2. Department of Otolaryngology–Head and Neck Surgery, University of Texas Medical School at Houston, Houston, TX;
3. Department of Anatomic Pathology, Cleveland Clinic Foundation, Cleveland, OH;
4. Section of Nasal and Sinus Disorders, Head and Neck Institute, Cleveland, OH Clinic Foundation;
5. Section of Skull Base Surgery, Center for Brain Tumors and Neuro-Oncology/Department of Neurosurgery, Cleveland Clinic Foundation, Cleveland, OH;
6. Sinus and Nasal Institute of Florida, St. Petersburg, FL .