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Authors
Okkenhaug, Ingrid https://orcid.org/0000-0001-6644-5035
Wilhelmsen, Terese https://orcid.org/0000-0002-0062-2868
Mork, Paul Jarle https://orcid.org/0000-0003-3355-2680
Mehus, Ingar https://orcid.org/0000-0002-2074-5101
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Funding
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
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Article History
Accepted: 4 April 2025
First Online: 21 April 2025
Declarations
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: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Regional Committee for Medical and Health Research Ethics (REK, ref. 536870).
: In the Young-HUNT4 survey, all participants gave their informed written consent, for youth younger than 16 years, their parents provided written consent. It was not possible to obtain informed consent for this concrete study.
: Authors have no competing interests.
