1. EUCAN Statistics: http://eco.iarc.fr/eucan/CancerOne.aspx?Cancer=29&Gender=1
2. SEER Stat Fact Sheets: Prostate Cancer. http://seer.cancer.gov/statfacts/html/prost.html
3. Ferlay J, Soerjomataram I, Ervik M, et al. GLOBOCAN 2012 v1.0, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France, International Agency for Research on Cancer, 2013. Available at: http://globocan.iarc.fr (link is external)
4. Danish Cancer Registry (2014 Annual Report): http://sundhedsdatastyrelsen.dk/da/tal-og-analyser/analyser-og-rapporter/sygdomme/kraeftoverlevelse
5. Danish Causes of Death Registry: http://sundhedsdatastyrelsen.dk/dar