Funding for this research was provided by:
Landstinget i Värmland (LIVFOU-845351)
Received: 15 June 2020
Accepted: 25 November 2020
First Online: 17 December 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Uppsala Regional Ethics Committee (registration number: 2015/417). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.