Tverdal, Aage https://orcid.org/0000-0002-2909-5678
Magnus, Per
Article History
Received: 17 August 2023
Accepted: 9 September 2023
First Online: 25 September 2023
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: The study was approved by the Regional Committees for Medical and Health Research and the Norwegian Data Protection Authority.