Funding for this research was provided by:
Future Position X through Geo Life Region (0)
University of Gävle (0)
Article History
Received: 13 February 2020
Accepted: 1 February 2021
First Online: 26 February 2021
Ethics approval and consent to participate
: All participants were informed orally and in writing about the study purpose, about what it meant to participate, and about confidentiality. All participants stated that they understood the information and signed a written consent to participate. Participation was voluntary and the data were treated confidentially. The study was approved by the Regional Ethical Review Boards in Uppsala, Sweden (Dnr 2018/357).
: Not applicable.
: The authors declare that they have no competing interests.