Bratland-Sanda, S. http://orcid.org/0000-0002-4202-5439
Schmidt, S. K. http://orcid.org/0000-0003-3928-3645
Reinboth, M. S. http://orcid.org/0000-0001-5642-5938
Vrabel, K. A. http://orcid.org/0000-0001-8307-7641
Funding for this research was provided by:
Sparebankstiftelsen Sparebanken Sør
Article History
Received: 7 June 2022
Accepted: 1 November 2022
First Online: 5 November 2022
Declarations
:
: The study was evaluated by the Regional Committee for Medical and Health Research Ethics in Southern Norway (ID 2017/387), approved by the Norwegian Data Protection Services (ID 54327) and registered in ClinicalTrials.gov (NCT03906851). All eligible pupils and their parents were provided written information about the study, and written consent to participate was obtained from parents as the pupils all were under aged.
: Not applicable.
: The authors report there are no competing interests to declare. The authors report no conflict of interest.