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Authors
Fridh, Martin Kaj
Hansen, Martin Bjørn
Pouplier, Anna
Schmidt-Andersen, Peter
Andrés-Jensen, Liv
Müller, Klaus
Christensen, Jan
Ness, Kirsten K.
Ha, Lauren
Larsen, Hanne Bækgaard
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Funding
Funding for this research was provided by:
Copenhagen University
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Article History
Received: 26 June 2026
Accepted: 11 August 2026
First Online: 20 August 2026
Declarations
Ethics approval and consent to participate: The study is approved by the Danish National Committee on Health Research Ethics (Approval Number: H-24058598). Written informed consent will be obtained before baseline assessment. Information about the potential risks and benefits of participating in the study is provided by a member of the research team. This includes information concerning the child or adolescent’s privacy rights and the investigator’s disclosure obligations. Adolescents aged 15–17.9 years, will receive oral and written information specifically adapted to this age group. If an adolescent does not wish to participate, this is respected regardless of the parent’s acceptance.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
