1. Health Foundation . COVID-19: five dimensions of impact, 2020. Available: https://www.health.org.uk/news-and-comment/blogs/covid-19-five-dimensions-of-impact [Accessed 18 Sep 2020].
2. NHS Digital . Coronavirus (COVID-19): shielded patients list, 2020. Available: https://digital.nhs.uk/coronavirus/shielded-patient-list [Accessed 18 Sep 2020].
3. Doughty K . From red buttons to smart technology support: Part 1. University of Cumbria, 2018.
4. Telemedicine: FAD or future?;The Lancet,1995
5. Telehealth FM . Telehealth. In: Gu D , Dupre ME , eds. Encyclopedia of gerontology and population health. Heidelberg: Springer, 2019.