Dellesjö, Kristin https://orcid.org/0009-0004-9977-2453
Engström, Maria https://orcid.org/0000-0002-9912-5350
Björkman, Annica https://orcid.org/0000-0001-9513-3102
Myrberg, Karin https://orcid.org/0000-0002-7934-0109
Funding for this research was provided by:
University of Gävle
Article History
Received: 31 October 2025
Accepted: 7 January 2026
First Online: 27 January 2026
Declarations
:
: Participants partaking in the validity and reliability testing received both oral and written information and provided informed consent by signing a consent form. All methods adhered to relevant guidelines and regulations, including the Declaration of Helsinki. An application to the Swedish Ethical Review Authority (registration number 2023-03688-01) was submitted. This research is part of a larger project, registered with ClinicalTrials.gov (NCT06035705).
: Not applicable.
: The authors declare no competing interests.