Moksnes, U.K
Espnes, G.A
Eilertsen, M.E.B
Bjørnsen, H.N
Ringdal, R
Haugan, Gørill
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
Article History
Received: 3 January 2024
Accepted: 13 September 2024
First Online: 27 September 2024
Declarations
:
: The data used in the study is approved by the Regional Committee for Medical Research Ethics (approval number 2014/1996 and 2011/1655) according to the Health Research Act of Norway. Informed consent was obtained from all participants and from parents and/or legal guardian of those under 16. All methods were carried out in accordance with relevant guidelines and regulations (declarations of Helsinki).
: Not applicable.
: The authors declare no competing interests.