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Authors
Nilsson, Ulrika
Skattør, Marianne
Sanner, Helga
Risum, Kristine
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Funding
Funding for this research was provided by:
OsloMet - Oslo Metropolitan University
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Article History
Received: 9 February 2026
Accepted: 24 April 2026
First Online: 21 May 2026
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki. The study was approved by the Norwegian South East Regional Ethics Committee for Medical Research (2019/153) and by the Data Protection Officer at Oslo University Hospital (19/01610). Adolescents aged 16–18 provided their own written consent to participate in the study. Guardians of participants < 16 years provided written consent for their child to participate.
: Not applicable.
: We used ChatGPT (OpenAI, San Francisco, CA, USA) for grammar and spell checking; the authors are responsible for the content and interpretation.
: The authors declare no competing interests.
