1. National Centre for Epidemiology and Population Health and ANU Medical School, Australian National University, Canberra, ACT.
2. University of New South Wales, Sydney, NSW.
3. Centre for Health Services Research, University of Western Australia, Perth, WA.
4. Epidemiology and Cancer Registry, CancerCare Manitoba, Winnipeg, Manitoba, Canada.
5. Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
6. School of Medicine and Public Health, University of Newcastle, Newcastle, NSW.