Poulsen, Per Hoegh http://orcid.org/0000-0002-0196-2290
Carstensen, Ole
Kærgaard, Anette
Vestergaard, Jesper Medom
Nielsen, Kent J.
Biering, Karin
Funding for this research was provided by:
Arbejdstilsynet (22-2017-09)
Article History
Received: 27 May 2021
Accepted: 5 September 2021
First Online: 10 October 2021
Declarations
:
: None declared.
: All procedures performed in this study were consistent with Danish ethical standards and with the Helsinki Declaration. The Regional Data Protection Agency approved this study (reference number 1-16-02v113-18). According to Danish law, register-based studies only need approval from the ethics committee if the data include human biological material (§ 14 in ‘Promulgation of the Act on the ethical treatment of health science research projects and health data science research projects’, available in Danish at ExternalRef removed). Results from Statistics Denmark are available to the researcher at the individual patient level, results may however only be presented at an aggregated level.
: Not applicable.
: Not applicable.