Karhina, Kateryna http://orcid.org/0000-0002-5067-1609
Bøe, Tormod
Hysing, Mari
Nilsen, Sondre Aasen
Funding for this research was provided by:
University of Bergen
Article History
Received: 23 March 2023
Accepted: 22 November 2023
First Online: 29 November 2023
Declarations
:
: Following the regulations from the Reginal Committee for Medical and Health Research Ethics (REC) and Norwegian Health authorities, adolescents aged 16 and older can make own decisions about their health, including participation in health studies. Thus, adolescents informed consent was obtained to participate in the study. Their parents/guardians received information about the study in advance. All the methods were performed in accordance with Declaration of Helsinki. The study was approved by REC in the Western Norway (2011/811/REK Vest).
: Not applicable.
: The authors declare no competing interests.