Fjermestad, Krister W. http://orcid.org/0000-0001-7501-0033
Norum, Fredrik Ø.
Brask, Helene S.
Kodal, Arne http://orcid.org/0000-0003-1795-548X
Silverman, Wendy K. http://orcid.org/0000-0003-4415-4098
Heiervang, Einar R. http://orcid.org/0000-0002-8871-1098
Wergeland, Gro Janne http://orcid.org/0000-0003-0913-5473
Funding for this research was provided by:
Helse Vest Regionalt Helseføretak (911366, 911253)
University of Oslo
Article History
Accepted: 17 May 2024
First Online: 15 June 2024
Compliance with Ethical Standards
:
: Helse Vest Regionalt Helseføretak, 911366, Einar R Heiervang, 911253, Einar R Heiervang.
: None.
: The study was approved by the Regional Board for Medical Research Ethics.
: Parents provided consent on behalf of children. Children above 12 years provided assent.