1. Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney , Sydney, NSW , Australia
2. Department of General Practice
3. The Daffodil Centre, The University of Sydney , a joint venture with Cancer Council NSW, Sydney, NSW , Australia
4. Kirby Institute, The University of New South Wales , Sydney, NSW , Australia
5. The Melanoma Institute Australia, The University of Sydney , Sydney, NSW , Australia
6. Centre for Cancer Research, Faculty of Medicine, Dentistry and Health Services, The University of Melbourne , Melbourne, VIC , Australia