https://www.socialeurope.eu/wp-content/uploads/2017/08/Occ-Pap-13-PDF.pdf
https://www.kingsfund.org.uk/publications/spending-and-availability-health-care-resources
https://verfassungsblog.de/la-foule-le-peuple-et-la-societe-2/
https://www.cnil.fr/sites/default/files/atoms/files/cnil-38e_rapport_annuel_2017.pdf