Digital Health Interventions for Cardiac Rehabilitation: Systematic Literature Review. - Wongvibulsin S; Habeos EE; Huynh PP; Xun H; Shan R; Porosnicu Rodriguez KA; Wang J; Gandapur YK; Osuji N; Shah LM; Spaulding EM; Hung G; et al. (Journal of medical Internet research, 2021)