Marcussen, Lina, and Jesse David Marinus. “The Use of MHealth Solutions in Active and Healthy Ageing Promotion: An Explorative Scoping Review”. Journal of Ideas in Health 4, no. 1 (March 20, 2021): 307–320. Accessed March 29, 2024. https://jidhealth.com/index.php/jidhealth/article/view/92.