1. Department of Radiation Oncology, Olivia Newton John Cancer Wellness and Research Centre, Austin Health; Heidelberg; Victoria Australia
2. Department of Radiation Oncology and Cancer Imaging; Peter MacCallum Cancer Centre; Melbourne Victoria Australia
3. School of Medicine; Griffith University; Gold Coast Australia
4. Faculty of Health Sciences and Medicine; Bond University; Gold Coast Australia
5. Plain Statistics Pty Ltd; Horsham Victoria Australia
6. Department of Medical Imaging and Radiation Sciences; Monash University; Victoria Australia
7. Radiation Oncology Centres; Gold Coast University Hospital; Queensland Australia
8. Faculty of Medicine; The University of Queensland; Herston Queensland Australia
9. Department of Palliative Care; St Vincent's Hospital; Fitzroy Victoria Australia
10. Olivia Newton-John Cancer Research Institute; Austin Health; Heidelberg Victoria Australia
11. Department of Clinical Oncology; Royal Marsden NHS Foundation Trust and Institute of Cancer Research, Chelsea; London UK
12. Department of Medicine; University of Melbourne; Victoria Australia