Kelderer, Fanny
Holmlund, Sophia
Silfverdal, Sven-Arne
Domellöf, Magnus
Mogren, Ingrid
West, Christina E.
Funding for this research was provided by:
Umea University
Article History
Received: 24 February 2026
Accepted: 14 April 2026
First Online: 23 April 2026
Declarations
:
: The research project was approved by the Ethical Review Authority of Sweden (2014/224 − 31, 2020–02248). All participation was voluntary, and written informed consent was obtained from both parents.
: Not applicable.
: The authors declare no competing interests.