Rasmussen, Lotte http://orcid.org/0000-0001-5962-6647
Jensen, Peter Bjødstrup
Reutfors, Johan http://orcid.org/0000-0003-1372-4262
Furu, Kari http://orcid.org/0000-0003-2245-0179
Skurtveit, Svetlana http://orcid.org/0000-0001-7525-9701
Selmer, Randi
Damkier, Per http://orcid.org/0000-0003-0591-7187
Bliddal, Mette http://orcid.org/0000-0002-7637-3730
Wesselhoeft, Rikke http://orcid.org/0000-0001-9700-2739
Funding for this research was provided by:
University of Southern Denmark
Article History
Received: 17 October 2023
Accepted: 1 April 2024
First Online: 29 April 2024
Declarations
:
: LR, MB, KF, SVSK, RS, PD and RW declare no conflict of interest. JR is employed at the Centre for Pharmacoepidemiology, Karolinska Institutet, which receives grants from several entities (pharmaceutical companies, regulatory authorities, and contract research organizations) for performance of drug safety and drug utilization studies, with no relation to the work reported in this paper.
: The study was approved by the Danish Data Protection Agency (10.080). According to Danish legislation, approval from an ethics Committee is not required for registry-based studies. The Regional Committee for Medical Research Ethics (2010/131) and the Norwegian Data Protection Authority (10/00447-5) approved the register linkage. The use of Swedish data for this study was approved by the Swedish Ethical Review Authority (no. 2017/1236–31/2).