Drogset, Jon Olav http://orcid.org/0000-0001-9481-2453
Størset, Kristina Hovde
Nitteberg, Thea Marie
Gifstad, Tone
Article History
Received: 10 November 2020
Accepted: 27 January 2021
First Online: 7 February 2021
Ethics approval and consent to participate
: The Regional Committee for Medical and Health Research Ethics (REC) 24.04.2019 and the Norwegian Data Inspectorate 29.07.2019 approved the study.
: Not applicable.
: The authors declare that they have no competing interests.