A Smartphone Serious Game for Adolescents (Grow It! App): Development, Feasibility, and Acceptance Study - Evelien Dietvorst; Michelle A Aukes; Jeroen S Legerstee; Annabel Vreeker; Micah M Hrehovcsik; Loes Keijsers; Manon H J Hillegers (JMIR Formative Research, 2022)