Engaging Children and Young People in Digital Mental Health Interventions: Systematic Review of Modes of Delivery, Facilitators, and Barriers

Shaun Liverpool   ¹ , MSc ;   Catarina Pinheiro Mota   ^{2, 3} , PhD ;   Célia M D Sales   ⁴ , PhD ;   Anja Čuš   ⁵ , MSc ;   Sara Carletto   ⁶ , PhD ;   Camellia Hancheva   ⁷ , PhD ;   Sónia Sousa   ⁸ , PhD ;   Sonia Conejo Cerón   ⁹ , PhD ;   Patricia Moreno-Peral   ⁹ , PhD ;   Giada Pietrabissa   ^{10, 11} , PhD ;   Bettina Moltrecht   ¹ , PhD ;   Randi Ulberg   ¹² , PhD ;   Nuno Ferreira   ¹³ , PhD ;   Julian Edbrooke-Childs   ¹ , PhD

¹ Evidence-Based Practice Unit, University College London and Anna Freud National Centre for Children and Families, London, United Kingdom

² Center for Psychology, University of Porto, Porto, Portugal

³ University of Trás-os-Montes and Alto Douro, Porto, Portugal

⁴ Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal

⁵ Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria

⁶ Department of Clinical and Biological Sciences, University of Turin, Turin, Italy

⁷ Faculty of Philosophy, General, Experimental, Developmental, and Health Psychology, Sofia University, Sofia, Bulgaria

⁸ School of Digital Technologies, Tallinn University, Tallinn, Estonia

⁹ Biomedical Research Institute of Malaga, Málaga, Spain

¹⁰ Department of Psychology, Catholic University of Milan, Milan, Italy

¹¹ Psychology Research Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy

¹² Division of Mental Health and Addiction, University of Oslo, Oslo, Norway

¹³ University of Nicosia, Nicosia, Cyprus