1. Jagger, C.: Trends in life expectancy and healthy life expectancy. Foresight, Government Office for Science. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/464275/gs-15-13-future-ageing-trends-life-expectancy-er12.pdf. Accessed 15 Apr 2020
2. United Nations, Department of Economic and Social Affairs, Population Division.: World Population Ageing 2015. http://www.un.org/en/development/desa/population/publications/pdf/ageing/WPA2015_Report.pdf. Accessed 04 Feb 2020
3. Feather, A.: Managing patients with multimorbidity. Medicine (United Kingdom) 46(7), 397–401 (2018)
4. European Commission. Digital Agenda for Europe. http://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX%3A52010DC0245R(01). Accessed 20 Jan 2020
5. Bähler, C., Huber, C.A., Brüngger, B., Reich, O.: Multimorbidity, health care utilization and costs in an elderly community-dwelling population: a claims data base observational study. BMC Health Serv. Res. 15, 1–12 (2015)