Edvinsson, Johanna https://orcid.org/0000-0002-0726-1831
Mathiassen, Svend Erik https://orcid.org/0000-0003-1443-6211
Hallman, David M. https://orcid.org/0000-0002-2741-1868
Funding for this research was provided by:
University of Gävle
Article History
Received: 27 February 2026
Accepted: 22 June 2026
First Online: 28 June 2026
Declarations
:
: The study was approved by the Swedish Ethical Review Authority (2017/528). All participants provided their written informed consent before data collection.
: Not applicable.
: The authors declare no competing interests.