Skei, Lynn http://orcid.org/0009-0000-0839-3935
Skei, Sigmund http://orcid.org/0009-0008-7354-4523
Hartshorne, Timothy http://orcid.org/0000-0002-3626-5268
Landrø, Nils Inge http://orcid.org/0000-0003-0354-5148
Funding for this research was provided by:
The Signo Foundation and Signo Resource Centre
The SOR Foundatiom
University of Oslo
Article History
Received: 14 October 2023
Accepted: 19 May 2024
First Online: 11 June 2024
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by Norwegian Regional Committees for Medical and Health Research Ethics (#2020/43412). Written informed consent was obtained from all individual participants and/or their parents or their guardians included in the study.
: All the participants and their parents and guardians have given written consent for participation.
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript. Neither the Signo Foundation, the Signo Resource Centre, nor the SOR Foundation had any role in the study design, data collection, analyses, interpretations, or writings.