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Authors
Viljamaa, Hanna-Reeta https://orcid.org/0000-0002-5093-6742
Laurikainen, Tiina https://orcid.org/0000-0002-7332-9427
Pakkasjärvi, Niklas A. https://orcid.org/0000-0002-1798-3416
Seppänen, Marko https://orcid.org/0000-0003-1122-2445
Rautava, Päivi T. K. https://orcid.org/0000-0003-2795-1327
Ripatti, Liisi L. M. https://orcid.org/0000-0003-1858-8618
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Funding
Funding for this research was provided by:
University of Helsinki
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Article History
Received: 17 November 2025
Revised: 11 February 2026
Accepted: 17 February 2026
First Online: 15 March 2026
Declarations
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: This study was approved by the Hospital District of Southwest Finland Ethics Committee (ETMK121/2121) and registered at Clinical Trials (EudraCT 2021–006371-42). It was also approved by the Finnish Medicines Agency (KLnro 148/2021) and registered in the Clinical Trial Information System (CTIS). The study was conducted in accordance with the Declaration of Helsinki.
: Parents were provided with written information, and this was also discussed with them. Written informed consent was obtained from the parents.
: The authors declare no competing interests.
