Funding for this research was provided by:
Trafikverket (2017/63917-6522)
Article History
Received: 11 February 2021
Accepted: 20 January 2022
First Online: 27 February 2022
Declarations
:
: An ethical approval to conduct the study was obtained from the Ethics Committee North of the Karolinska Institute at the Karolinska Hospital (Dnr 03–637), Stockholm, Sweden. A written informed consent of participation was signed by all participants before their start in the study.
: Not applicable.
: The authors declare that they have no competing interests.