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Authors
Christofersen, Guro Dahle https://orcid.org/0009-0002-6641-4786
Pauls, Dorthe Dalstrup https://orcid.org/0000-0002-8579-3198
Bruun, Jens Meldgaard https://orcid.org/0000-0001-9937-5467
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Funding
Funding for this research was provided by:
Novo Nordisk Fonden
Sygeforsiking “Danmark”
Arla Foods Amba
Aarhus University Hospital
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Article History
Received: 27 February 2026
Accepted: 3 May 2026
First Online: 20 May 2026
Declarations
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: The COPE study was approved by the local committee of ethics, registered internal at Aarhus University and preregistered at clinicaltrials.gov (ID: NCT04522921). The COPE study conformed to the Declaration of Helsinki and was performed in accordance with good clinical practice. Written informed consent was obtained for participation in this study. Parents/guardians signed a written consent for their child to participate, and one parent/guardian signed a written consent for themselves to participate with their child.
: Not applicable.
: The authors declare no competing interests.
