1. Department of Radiation Oncology; Princess Alexandra Hospital; Brisbane Queensland Australia
2. Department of Radiation Oncology Medical Physics; Illawarra Cancer Care Centre; Wollongong New South Wales Australia
3. William Buckland Radiotherapy Centre; The Alfred; Melbourne Victoria Australia
4. Department of Radiation Oncology; Peter MacCallum Cancer Centre; Melbourne Victoria Australia
5. Central Coast Cancer Care Centre; Gosford New South Wales Australia
6. Northern Sydney Cancer Centre; Royal North Shore Hospital; Sydney New South Wales Australia
7. Institute of Medical Physics; School of Physics; University of Sydney; Sydney New South Wales Australia
8. The Sir Peter MacCallum Department of Oncology; The University of Melbourne; Victoria Australia