1. Faculty of Medicine and Health The University of Sydney Sydney New South Wales Australia
2. Surgical Outcomes Research Centre (SOuRCe) Royal Prince Alfred Hospital and the University of Sydney Sydney New South Wales Australia
3. RPA Institute of Academic Surgery Sydney Local Health District Sydney New South Wales Australia
4. Sydney Head and Neck Cancer Institute Chris O’Brien Lifehouse Sydney New South Wales Australia
5. Department of Radiation Oncology Mid North Coast Cancer Institute Port Macquarie New South Wales Australia
6. Department of Radiation Oncology Mid North Coast Cancer Institute Coffs Harbour New South Wales Australia
7. Department of Radiation Oncology Northern NSW Cancer Institute Lismore New South Wales Australia