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Authors
Stai, Mari
Aadland, Eivind
Andersen, John Roger
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Funding
Funding for this research was provided by:
Western Norway University Of Applied Sciences
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Article History
Received: 1 November 2024
Accepted: 2 September 2025
First Online: 2 October 2025
Declarations
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: The Regional Committees for Medical and Health Research Ethics (reference number: 2013/1893) is registered at ClinicalTrails.gov (). The clinical trial number is NCT02132494 (registration date: 6th May 2014) []. Written consent was obtained from each child’s parents, legal guardians, and the relevant school authorities.
: Not applicable.
: The authors declare no competing interests.
