1. Australian Bureau of Statistics (2008) Population by age and sex, regions of Australia, 2008. Available at http://wwwabsgovau/ausstats/
2. Australian Bureau of Statistics (2010) Australian demographic statistics, March 2010. Available at http://wwwabsgovau/ausstats/abs@nsf/mf/31010/
3. Australian Government Department of Health and Aging (2000–2006) National hospital cost data collection: WA cost weights. Available at http://www.health.gov.au/internet/main/publishing.nsf/Content/health-casemix-data-collections-about_NHCDC
4. Australian Institute of Heatlh and Welfare (2009) Health expenditure Australia 2007–2008. Health and Welfare Expenditure Series No. 37. Available at http://www.aihw.gov.au/publications/index.cfm/title/10954
5. Baird PA, Anderson TW, Newcombe HB, Lowry RB (1988) Genetic disorders in children and young adults: a population study. Am J Hum Genet 42(5):677–693