Hagen, Ingrid V.
Helland, Anita
Bratlie, Marianne
Midttun, Øivind
McCann, Adrian
Ulvik, Arve
Mellgren, Gunnar
Ueland, Per M.
Gudbrandsen, Oddrun A.
Funding for this research was provided by:
University of Bergen
Article History
Received: 25 August 2022
Accepted: 26 December 2022
First Online: 11 January 2023
Declarations
:
: The study protocol was approved by the Regional Committee for Medical and Health Research Ethics of Western Norway (REC no.: 2011/572). Written informed consent was obtained from all study participants. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.