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Authors
Berg, Håvard
Tjelle, Kristian
Solem, Stian
Hansen, Bjarne
Kvale, Gerd
Björgvinsson, Thröstur
Hagen, Kristen
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Funding
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
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Article History
Received: 7 August 2024
Accepted: 16 July 2025
First Online: 9 October 2025
Declarations
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: The study was approved by the Regional Committee for Medical Research Ethics for South-East Norway (REK South-East: 2013/195). Informed written consent was obtained from all participants. The participants were informed that participation in the study was voluntary and that they had the right to withdraw from the study at any time without any negative effect on their treatment. All methods were performed in accordance with the relevant guidelines and regulations. The study was conducted in compliance with the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.
