Funding for this research was provided by:
Svenska Spels Indipendent Research Council (FO2021-007)
Swedish Research Council (2023-00202)
Swedish government and county councils (ALFGBG-983591)
Article History
Received: 4 March 2025
Accepted: 11 September 2025
First Online: 2 October 2025
Declarations
:
: This trial has been approved by the Swedish Ethical Review Authority Board (Dnr: 2020–07144). Written, informed consent to participate will be obtained from all participants. According to Swedish policy, children aged 15 and above can consent on their own and do not need to obtain consent from a legal guardian.
: Not applicable.
: The authors declare that they have no competing interests.