Funding for this research was provided by:
ECCRE (25-2018-SE/AE)
Karolinska Institutet
Karolinska Institute
Article History
Received: 31 August 2021
Accepted: 13 March 2022
First Online: 17 March 2022
Declarations
:
: The trial was approved by Swedish Ethical Review Authority (ref: 2019-04505). All participants provided a signed informed consent to participate.
: Not applicable.
: The lead author Andreas Eklund is a paid employee of a commercial company who works part-time (40%) as a clinician at Hälsan Östertälje Praktikertjänst AB, Södertälje, Sweden. The affiliation has not influenced the study design, data collection, and analysis, decision to publish, or preparation of the manuscript. There are no patents, products in development, or marketed products associated with this research to declare. IA is co-editor-in-chief of BMC Chiropractic and Manual Therapies. The authors declare that they have no competing interests.