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Authors
Tak, Yuli R. https://orcid.org/0000-0002-9229-7627
Brunwasser, Steven M.
Lichtwarck-Aschoff, Anna
Engels, Rutger C. M. E.
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Funding
Funding for this research was provided by:
ZonMw (200210007)
Radboud University Nijmegen, Behavioural Science Institute
Trimbos-instituut
Agency for Healthcare Research and Quality (K12HS022990)
National Institute of Mental Health (T-32 MH 018921-25)
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Article History
Received: 14 July 2016
Accepted: 11 November 2016
First Online: 29 November 2016
Compliance with Ethical Standards
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: In January 2014 Prof. Rutger C. M. E. Engels has become CEO of the Trimbos-Institute. The data collection was conducted before 2014, but the data-analysis was conducted from 2014 on. The other authors have no conflict of interest to declare.
: The research was conducted in compliance with the Ethical standards. However, passive consent was used instead of active consent. See the paragraph on “Informed Consent”. All procedures performed in the current study were approved by ethical committee of the faculty of Social Sciences at the Radboud University Nijmegen (number 16122010). The trial was registered at the Dutch Trial Register with trial registration number NTR2879. .
: All principals of participating schools provided active consent and included the current study in the schools’ curriculum. Therefore, all adolescents in eight grade were included in the current study through passive consent. However, adolescents and parents were thoroughly informed about the study and were told that adolescents as well as their parents were free to withdraw the adolescent from the study at any time point.
