Funding for this research was provided by:
Arbejdstilsynet (18- 2018-03)
Received: 20 January 2022
Accepted: 26 January 2022
First Online: 23 February 2022
: Ethical review and approval were waived for this study since it did not fall under the “Danish Act on Research Ethics Review of Health Research Projects”. Section two, as assessed by the Danish Committee System on Health Research Ethics (Ref number: H-18041423). The National Research Centre for the Working Environment has an institutional agreement with the Danish Data Protection Agency about procedures to treat confidential data (journal number 2015–41-4232), e.g. by securing data at a protected drive with limited access, and by anonymizing all individual data. The Danish National Committee on Biomedical Research Ethics (The local ethical committee of Frederiksberg and Copenhagen) has evaluated a description of the study and concluded that, according to Danish law as defined in Committee Act § 2 and § 1, the intervention described should not be further reported to the local ethics committee (Ref number: H-18041423). The study is registered in the International Standard Registered Clinical/soCial sTudy Number registry (ISRCTN80969503). All enrolled participants will be required to sign a written informed consent in order to participate in this study. The protocol conforms to the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) 2013 statement [CitationRef removed]. The reporting of the study will follow the Consolidated Standards of Reporting Trials (CONSORT) 2010 statement [CitationRef removed].
: Not applicable.
: The authors declares that there is no conflict of interest.