Document is current

Article History

Received: 16 December 2025

Accepted: 28 April 2026

First Online: 11 May 2026

Declarations

:

: The study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Swedish Ethical Review Authority (Dnr. 2021-03783). During recruitment, it was emphasized that participation was voluntary and could be discontinued without giving reasons. The children received both oral and written information about the study. Written informed consent for participation and publication was obtained from the child and parent/legal guardian prior to participation.

: Not applicable.

: The authors declare no competing interests.