1. Preamble to the Constitution of the World Health Organization as adopted by the International Health Conference, New York: World Health Organization, 19–22 June 1946http://www.who.int/suggestions/faq/en/
2. The European environment—state and outlook 2010: Synthesis. European Environment Agency, Copenhagenhttps://www.eea.europa.eu/soer/synthesis/synthesis/read-as-ebook.epub/view
3. United Nations, Sustainable Development Goal 3: Ensure healthy lives and promote well-being for all at all ageshttps://www.unenvironment.org/explore-topics/sustainable-development-goals/why-do-sustainable-development-goals-matter/goal-3