1. Department of Otolaryngology-Head & Neck Surgery; University of Kansas Medical Center; Kansas City Kansas
2. Division of Surgical Oncology, Department of Surgery; University of Calgary; Calgary Alberta Canada
3. Department of Family Medicine, Faculty of Medicine; University of Calgary; Calgary Alberta Canada
4. Department of Family Medicine, Faculty of Medicine and Dentistry; University of Alberta; Edmonton Alberta Canada
5. Ohlson Research Initiative; Southern Alberta Cancer Research Institute, University of Calgary; Calgary Alberta Canada
6. Division of Otolaryngology-Head and Neck Surgery, Department of Surgery; University of Calgary; Calgary Alberta Canada
7. Division of Endocrinology, Department of Medicine; University of Calgary; Calgary Alberta Canada