1. Collaboration for Cancer Outcomes Research and Evaluation (CCORE), Liverpool Hospital, Australia
2. Cancer Therapy Centre, Liverpool Hospital, Locked Bag 7103, Liverpool BC, NSW, 1871, Australia
3. Collaboration for Cancer Outcomes Research and Evaluation (CCORE), Liverpool Hospital, Locked Bag 7103, Liverpool BC, NSW, 1871, Australia
4. Faculty of Medicine, South Western Sydney Clinical School, University of New South Wales, Liverpool Hospital, PO Box 7103, Liverpool BC, NSW, 1871, Australia
5. Radiation Oncology, Cancer Therapy Centre, Liverpool Hospital, USA
6. South Western Sydney Clinical School, University of New South Wales, Liverpool Hospital, PO Box 7103, Liverpool BC, NSW, 1871, Australia
7. Centre for Research, Evidence, Management and Surveillance, Sydney South West Area Health Service, Sydney, Australia
8. School of Public Health and Community Medicine, University of New South Wales, Liverpool Hospital, PO Box 7103, Liverpool BC, NSW, 1871, Australia