1. Department of Head and Neck Surgery Sydney Head and Neck Cancer Institute, Chris O'Brien Lifehouse Sydney New South Wales Australia
2. Division of Otolaryngology, Department of Surgery, Faculty of Medicine Université de Sherbrooke, CIUSSS de l'Estrie – CHUS Sherbrooke Quebec Canada
3. Department of Radiation Oncology Chris O'Brien Lifehouse Sydney New South Wales Australia
4. Central Clinical School, Faculty of Medicine and Health The University of Sydney Sydney New South Wales Australia
5. Royal Prince Alfred Institute of Academic Surgery Sydney Local Health District Sydney New South Wales Australia