Tabul, M. P.
Kongsted, A.
Hartvigsen, J.
Johansson, M. S.
Article History
Received: 8 December 2024
Accepted: 29 September 2025
First Online: 28 October 2025
Declarations
:
: The Regional Committees on Health Research Ethics for Southern Denmark decided that the study did not need ethical approval (file number S-20172000–-93). Authorisation for the data collection has been obtained from the Danish Data Protection Agency (DPA) as part of the University of Southern Denmark’s institutional authorisation (DPA no. 2015-57-0008 SDU no. 17/30591). Informed consent for the use of data in the GLA:D ® Back registry for research was obtained for all participants when enrolling in GLA:D ® Back.
: Informed verbal consent for the use of data in the GLA:D ® Back registry for research was obtained for all participants when enrolling in GLA:D ® Back.
: AK is an Associate Editor of Chiropractic & Manual Therapies. The editorial management system automatically blinded her from the submitted manuscript, and she had no part in the editorial or peer-review process of this manuscript. AK’s position at University of Southern Denmark is partly financed by the he Foundation for Advancement of Chiropractic Research and Postgraduate Education. AK and JH are co-founders of GLA:D Back, they have no personal financial interests in the program. The remaining authors declare to have no competing interests.