Published on in Vol 23, No 4 (2021): April

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/27463, first published .
CANreduce 2.0 Adherence-Focused Guidance for Internet Self-Help Among Cannabis Users: Three-Arm Randomized Controlled Trial

CANreduce 2.0 Adherence-Focused Guidance for Internet Self-Help Among Cannabis Users: Three-Arm Randomized Controlled Trial

CANreduce 2.0 Adherence-Focused Guidance for Internet Self-Help Among Cannabis Users: Three-Arm Randomized Controlled Trial

Christian Baumgartner 1, MSc;  Michael Patrick Schaub 1, PhD;  Andreas Wenger 1, MSc;  Doris Malischnig 2, PhD;  Mareike Augsburger 1, PhD;  Marc Walter 3, MD;  Thomas Berger 4, PhD;  Lars Stark 5, MD;  David Daniel Ebert 6, PhD;  Matthew T Keough 7, PhD;  Severin Haug 1, PhD

1 Swiss Research Institute for Public Health and Addiciton, University of Zurich , Zürich , CH

2 Institute for Addiction Prevention, Addiction and Drug Coordination Vienna , Vienna , AT

3 University Psychiatric Clinics, University of Basel , Basel , CH

4 Department of Clinical Psychology and Psychotherapy, University of Bern , Bern , CH

5 Arud Centre for Addiction Medicine , Zurich , CH

6 Department for Sport and Health Sciences, Chair for Psychology and Digital Mental Health Care, Technical University Munich , Munich , DE

7 Department of Psychology, York University , Toronto, ON, CA

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