1. Population Structure and ageing, Statistics Explained, Eurostat. https://ec.europa.eu/eurostat/statistics-explained/index.php/Population_structure_and_ageing. Accessed 10 June 2021
2. European Commission: 2018 Ageing Report: Policy challenges for ageing societies, European Commission (2018). https://ec.europa.eu/info/news/economy-finance/policy-implications-ageing-examined-new-report-2018-may-25_en. Accessed 10 June 2021
3. World Health Organization: Active ageing: a policy framework. World Health Organization (2002). https://apps.who.int/iris/handle/10665/67215. Accessed 10 June 2021
4. Mlinac, M.E., Feng, M.C.: Assessment of activities of daily living, self-care, and independence. Arch. Clin. Neuropsychol. 31(6), 506–516 (2016)
5. Hulya, G., Malcolm, C.: Monitoring activities of daily living of the elderly and the potential for its use in telecare and telehealth: a review. Telemed. J. E Health 19(12), 1–14 (2013)