Tingulstad, Alexander
Maas, Esther T.
Rysstad, Tarjei
Øiestad, Britt Elin
Aanesen, Fiona
Pripp, Are Hugo
Van Tulder, Maurits W.
Grotle, Margreth
Funding for this research was provided by:
The Research Council of Norway (grant no. 280431, grant no. 280431, grant no. 280431, grant no. 280431, grant no. 280431)
Article History
Received: 13 September 2023
Accepted: 8 November 2023
First Online: 14 November 2023
Declarations
:
: The Regional Committee for Medical and Health Research Ethics assessed the trial according to the ACT 2008–06-20 no.44: Act on medical and health research and decided that it did not need approval from the Committee (2018/1326/REK sør-øst A). The Norwegian Center for Research Data has approved the project (identifier: 861249). The trial was registered at ClinicalTrials.gov on the 12<sup>th</sup> of March 2019 (identifier: NCT03871712).
: Not applicable.
: The authors declare no competing interests.