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Authors
Fredwall, Svein O. http://orcid.org/0000-0002-2804-5783
Åberg, Björn
Berdal, Hanne
Savarirayan, Ravi
Solheim, Jorunn
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Funding
Funding for this research was provided by:
DAM Foundation (2019/FO249324)
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Article History
Received: 31 August 2021
Accepted: 24 October 2021
First Online: 4 November 2021
Declarations
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: The study was approved by the Regional Committee for Medical and Health Research Ethics (REK) South–East, Norway (approval number 2016/2271), and is registered on ClinicalTrials.gov (NCT03780153). The study was conducted in accordance with the Helsinki Declaration for medical research, and all participants gave their informed, written consent prior to participation.
: All authors read and approved the final manuscript.
: The authors have completed the ICMJE form and declare that they have no competing interests.
