Ramírez-Osuna, Ana
Campos-Garzón, Pablo https://orcid.org/0000-0003-0418-9165
Huertas-Delgado, Francisco Javier
Ahlqvist, Viktor H.
Wilén, Charlotte
Henriksson, Pontus
Lundberg, Tommy R.
Neovius, Martin
Dahlen, Micael
Berglind, Daniel
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 27 August 2025
Accepted: 17 February 2026
First Online: 27 February 2026
Declarations
:
: Ethical approval was obtained from the Swedish Ethical Review Authority (Dnr. 2020–03002). The study was conducted in accordance with the ethical standards outlined in the Declaration of Helsinki. Written informed consent was obtained from the parents or legal guardians of all participating children and from participating preschool teachers prior to enrollment in the study.
: Not applicable.
: The authors declare that they have no competing interests.