1. Division of Rhinology and Sinus/Skull Base Surgery, Department of Otolaryngology‐Head and Neck Surgery Oregon Health & Science University Portland OR
2. Department of Pathology Oregon Health & Science University Portland OR
3. Department of Otolaryngology Oschner Health Center‐West Bank Gretna LA
4. Division of Otolaryngology, Department of Surgery University of Utah Salt Lake City UT