1. Radiation Oncology; Sydney West Cancer Network; Crown Princess Mary Cancer Centre; Sydney New South Wales Australia
2. School of Public Health and Community Medicine; University of New South Wales; Sydney New South Wales Australia
3. Ingham Institute for Applied Medical Research; Sydney New South Wales Australia
4. Sydney Medical School; Westmead Clinical School; University of Sydney; Sydney New South Wales Australia
5. Epidemiology; Healthy People and Places Unit; South Western Sydney Local Health District; Sydney New South Wales Australia
6. South Western Sydney Clinical School; University of New South Wales; Sydney New South Wales Australia
7. Radiation Oncology; Liverpool Cancer Therapy Centre; South Western Sydney Local Health District Cancer Services; Sydney New South Wales Australia