1. Department of Speech Pathology, Chris O’Brien Lifehouse, Sydney, Australia
2. Sydney Medical School, Faculty of Medicine and Health Sciences, The University of Sydney, Sydney, Australia
3. Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
4. Sydney Head and Neck Cancer Institute, Department of Head and Neck Surgery, Chris O’Brien Lifehouse, Sydney, Australia
5. Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, Australia