Bäckström, Beata https://orcid.org/0000-0002-7888-0904
Rask, Olof https://orcid.org/0000-0003-0565-3812
Knutsson, Jens https://orcid.org/0000-0003-2354-4556
Article History
Accepted: 4 February 2023
First Online: 27 February 2023
Declarations
:
: All authors certify that they have no affiliations with or involvement in any organisation with any financial or non-financial interest in the subject matter or materials discussed in this manuscript.
: The study was approved by the regional ethics committee at Lund University, Sweden, 2011 and 2017 (No. 409). All participants completed written informed consent and were informed that they could cease participation at any time, with no consequences on their access to treatment. No financial compensation for participation was offered.