Funding for this research was provided by:
Regionalt Forskningsfond Agder (222931)
Article History
Received: 31 August 2020
Accepted: 29 July 2021
First Online: 12 August 2021
Declarations
:
: The study was approved by the Norwegian Regional Council for Research Ethics (No. 2014/474). Participants received oral and written information about the study and gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.