Published on in Vol 9 , No 7 (2021) :July

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/26951, first published .
A Mobile Phone–Based Life-Skills Training Program for Substance Use Prevention Among Adolescents: Cluster-Randomized Controlled Trial

A Mobile Phone–Based Life-Skills Training Program for Substance Use Prevention Among Adolescents: Cluster-Randomized Controlled Trial

A Mobile Phone–Based Life-Skills Training Program for Substance Use Prevention Among Adolescents: Cluster-Randomized Controlled Trial

Severin Haug 1 , PhD ;   Raquel Paz Castro 1 , PhD ;   Andreas Wenger 1 , MSc ;   Michael Patrick Schaub 1 , PhD

1 Swiss Research Institute for Public Health and Addiction at Zurich University , Zurich , CH

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