1. School of Psychology, University of Newcastle, Newcastle, New South Wales, Australia
2. School of Medicine and Public Health, Faculty of Health and Medicine, University of Newcastle, Newcastle, New South Wales, Australia
3. Centre for Dietetics Research, University of Queensland, St Lucia, Queensland, Australia
4. Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia
5. Clinical Research Design, IT and Statistical Support Unit, Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia