Funding for this research was provided by:
School of Health Sciences, University of Skövde
Received: 8 June 2020
Accepted: 14 September 2020
First Online: 21 September 2020
Change Date: 17 November 2020
Change Type: Update
Change Details: The note "Open access funding provided by University of Skövde." was added to the Funding declaration.
Ethics approval and consent to participate
: The study followed the declaration of Helsinki and was approved by the Swedish Ethical Review Authority through the regional Ethical Review Board in Linköping, Sweden (2015/88–31). All participants gave written consent prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.