Berg, Jonathan
Wang, Alf Inge
Madssen, Erik
Røe, Lisbeth
Moholdt, Trine
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
Article History
Received: 26 February 2025
Accepted: 7 April 2026
First Online: 8 May 2026
Declarations
:
: The authors declare no competing interests.
: The Regional Committee for Medical and Health Research Ethics in Central Norway approved the study (2018/633). All participants received written information about the study procedures. For participants aged 16–18, the participants signed the consent form together with a legal guardian. For participants under 16, two legal guardians signed the consent form.