Merel M. L. Leijse, Levi van Dam, Samantha Bouwmeester, Thimo M. van der Pol, René Breuk, Arne Popma. "‘I gotta Feeling’: Exploring the effects of a smartphone app (Feelee) to enhance adolescents’ emotion regulation in forensic outpatient settings: A multiple single-case experimental design." PLoS ONE, 2026. doi:10.1371/journal.pone.0332111