Funding for this research was provided by:
Research Council for Working Life and Living Conditions ((2016–00434), (2018-00364))
Received: 10 June 2020
Accepted: 11 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: Ethical approval was granted by the Regional Ethical Review Board Umeå (Drn: 2015-190-31O). Written informed consent was collected from all participants.
: Not applicable.
: The authors declare that they have no competing interests.