Layman, Hannah M. https://orcid.org/0000-0003-0993-6115
Thorisdottir, Ingibjorg Eva https://orcid.org/0000-0003-2249-0410
Halldorsdottir, Thorhildur https://orcid.org/0000-0003-0637-8912
Sigfusdottir, Inga Dora https://orcid.org/0000-0002-3898-6894
Allegrante, John P. https://orcid.org/0000-0002-6281-3037
Kristjansson, Alfgeir Logi https://orcid.org/0000-0001-8136-9210
Funding for this research was provided by:
Icelandic Research Fund (217612)
Centers for Disease Control and Prevention (U48DP006391)
Article History
Accepted: 1 April 2022
First Online: 27 April 2022
Compliance with Ethical Standards
:
: Alfgeir Kristjansson, Inga Dora Sigfusdottir, and Inga Eva Thorisdottir disclose that they are affiliated with Planet Youth, a youth substance use prevention service organization that is distributed globally through sale of the Planet Youth Guidance Program, which is based on the Icelandic Prevention Model, from which they receive salary or consulting fees; all other authors disclose no financial or non-financial interests that are directly or indirectly related to the work submitted for publication.