Myhre, Martin Ø. http://orcid.org/0000-0002-9349-8922
Walby, Fredrik A. http://orcid.org/0000-0001-5154-7397
Bramness, Jørgen G. http://orcid.org/0000-0002-9250-3144
Mehlum, Lars http://orcid.org/0000-0003-2813-0045
Funding for this research was provided by:
EkstraStiftelsen Helse og Rehabilitering (2021/FO347373)
University of Oslo
Article History
Received: 20 April 2023
Accepted: 6 October 2023
First Online: 11 October 2023
Declarations
:
: This study was approved by The Regional Committees for Medical and Health Research Ethics South-East Norway (Reference: 32494). As this study included participants after their death, informed consent was impossible to obtain, and the project received an exemption from patient confidentiality rules regarding consent to access the information from the Norwegian Directorate of Health (Reference: 16/27835-12).
: Not applicable.
: The authors declare that they have no competing interest.