1. Department of Radiation Oncology; Sir Charles Gairdner Hospital; Perth Western Australia Australia
2. School of Physics; University of Western Australia; Crawley Western Australia Australia
3. School of Physics; University of Sydney; Sydney New South Wales Australia
4. Prostate Cancer Trials Group; Faculty of Health; University of Newcastle; Callaghan New South Wales Australia
5. Institute for Health Research; University of Notre Dame; Fremantle Western Australia Australia
6. School of Surgery; University of Western Australia; Crawley Western Australia Australia
7. School of Medicine and Public Health; University of Newcastle; Callaghan New South Wales Australia