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Article History

Received: 22 January 2019

Accepted: 5 June 2019

First Online: 13 June 2019

Ethics approval and consent to participate

: The study was approved by the University of Stirling Ethics Committee (reference: 302013/14). Participants aged 18 and older were asked to give written informed consent, students gave their assent and parents were given the opportunity to opt their child out of the study (this approach was approved by the ethics committee).

: Not applicable

: Rona Campbell, James White and Laurence Moore are scientific advisors to Evidence to Impact, a company that licences and supports the implementation of ASSIST in schools by providing the intervention resources, training and quality assurance. Evidence to Impact is a not-for-profit company, wholly owned by the Universities of Bristol and Cardiff which exists to support the dissemination of evidence-based health promotion interventions. They are paid modest fees for their scientific advice.All other authors declare no competing interests.