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2. World Cancer Research Fund International Web site. http://www.wcrf.org.
3. Mambourg F, Jonckheer P, Piérart J, Van Brabandt H. A national clinical practice guideline on the management of localised prostate cancer. KCE report 194C. Belgian Health Care Knowledge Centre Web site. https://kce.fgov.be/sites/default/files/page_documents/KCE_194C_prostate_cancer_0.pdf. Updated 2012.
4. Jonckheer P, Van Landeghem S, Christiaens W, De Winter L, Piérart J, Mertens R. Synthesis: the decisional process for the choice of active surveillance in localized prostate cancer. KCE report 210Cs. Belgian Health Care Knowledge Centre Web site. https://kce.fgov.be/sites/default/files/page_documents/KCE_210Cs_Prostate_cancer_synthesis.pdf. Updated 2013.
5. Prostate cancer: diagnosis and treatment. National Institute for Health and Clinical Excellence Web site. https://www.nice.org.uk/guidance/cg175. Updated 2014.