1. Department of Head and Neck Surgery University of Texas MD Anderson Cancer Center Houston Texas USA
2. Division of Radiation Oncology University of Texas MD Anderson Cancer Center Houston Texas USA
3. Department of Speech Language Pathology University Health Network Toronto Ontario Canada
4. Krembil Research Institute University Health Network Toronto Ontario Canada
5. Department of Speech Language Pathology University of Toronto Toronto Ontario Canada
6. Rehabilitation Sciences Institute University of Toronto Toronto Ontario Canada
7. Department of Otolaryngology Head and Neck Surgery University of Toronto Toronto Ontario Canada