Jozefiak, Thomas
L. Wallander, Jan
Lydersen, Stian
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
Article History
Accepted: 4 February 2022
First Online: 26 March 2022
Declarations
:
: The authors declare that they have no conflict of interest. The first author receives royalties from publisher. Hogrefe Psykologiförlag in Stockholm/Sweden for authorship of the “Norwegian Manual—ILC measure, 2012” used in this study.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the Norwegian Ethical Committee for Medical Research, the Norwegian Social Science Data Services and with the 1964 Helsinki declaration and its later amendments. The authors declare that they have no conflict of interest. The first author receives royalties from publisher Hogrefe Psykologi förlag in Stockholm/Sweden for authorship of the “Norwegian Manual—ILC measure, 2012” used in this study. Written information was provided, and informed consent obtained from adolescents and at least one parent for each prior to inclusion.