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Authors
Lindén, Olof
Lauruschkus, Katarina
Wagner, Philippe
Hägglund, Gunnar
Lauge-Pedersen, Henrik
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Funding
Funding for this research was provided by:
Lund University
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Article History
Received: 5 September 2025
Accepted: 18 February 2026
First Online: 4 March 2026
Declarations
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: The study was approved by the Swedish Ethical Review Authority (Reg. no. 2023-00195-01). All methods were carried out in accordance with the Declaration of Helsinki. Written informed consent to participate was obtained from the parents/legal guardians of all participants. Age-appropriate assent was obtained from all children, and written informed consent was also obtained from participants aged 15–17 years.
: Not applicable; no individual person’s data (including images or identifying information) are presented.
: The authors declare no competing interests.
