Funding for this research was provided by:
AFA Försäkring (200140)
Svenska Naprapatförbundet
Karolinska Institute
Article History
Received: 9 May 2023
Accepted: 22 August 2023
First Online: 12 September 2023
Declarations
:
: The study was conducted according to the guidelines of the Declaration of Hensinki, and approved by the Swedish Ethical Review Authority Dnr: 2020-03836.
: Not applicable.
: I.A. is Co-Editor-in-Chief of Chiropractic & Manual Therapies. The editorial management system automatically blinded her from the submitted manuscript, and she had no part in this manuscript's editorial or peer-review process. The other authors declares that they have no competing interests.