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Authors
Kjellenberg, Karin
Ekblom, Ö.
Tarassova, O.
Fernström, M.
Nyberg, G.
Ekblom, M.M.
Helgadóttir, B.
Heiland, E.G.
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Article History
Received: 11 September 2023
Accepted: 28 June 2024
First Online: 2 August 2024
Declarations
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: The study has ethical approval from the Swedish Ethical Review Authority (DNR: 2020–02597) and was conducted in accordance with the Declaration of Helsinki. All students and their parents provided written informed consent.
: Not applicable.
: The authors declare no competing interests.
