Omdal, Tom Roar https://orcid.org/0000-0002-3378-0336
Khan, Umael
Engan, Britt
Oppedal, Lars Sandve
Kessler, Jörg
Ebbing, Cathrine
Matre, Knut
Leirgul, Elisabeth
Greve, Gottfried
Funding for this research was provided by:
University of Bergen
Article History
Received: 6 May 2025
Accepted: 28 August 2025
First Online: 29 September 2025
Declarations
:
: We obtained the approval of The Regional Committee for Medical Health and Health Research Ethics (No.2015/1918).
: Written informed consent to participate was obtained from the parents.
: The authors declare no competing interests.