1. Department of Otolaryngology-Head and Neck Surgery; University of Ottawa; Ottawa Ontario Canada
2. Department of Otolaryngology-Head and Neck Surgery; Schulich School of Medicine and Dentistry; Western University; London Ontario Canada
3. School of Communication Sciences and Disorders; Western University; London Ontario Canada
4. Department of Medicine; McMaster University; Hamilton Ontario Canada
5. Health and Rehabilitation Sciences; Western University; London Ontario Canada