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Authors
Jakobsen, Helle Neel https://orcid.org/0000-0001-8060-1129
Vermehren, Charlotte https://orcid.org/0000-0002-2773-7593
Andersen, Jon Trærup https://orcid.org/0000-0003-0169-1328
Dalhoff, Kim https://orcid.org/0000-0002-5548-6381
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Article History
Accepted: 11 May 2021
First Online: 11 June 2021
Declarations
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: No external funding was received.
: The authors have no conflict of interest relevant to this study.
: In Denmark, retrospective register studies are not required to have ethical approval, but the use of data was approved by the Danish Data Protection Agency (2012-58-0004).
: Not applicable.
: Not applicable.
: Since the study is based on patient information, the data are not publicly available. Only after permission from the Danish Data Protection Agency and after permission from the DPIC can data be available for researchers.
: Not applicable.
: KD and CV conceived the idea for the study. KD, CV, JTA and HNJ were involved in the work of designing the study as well as interpreting and commenting on results and the manuscript. HNJ wrote the paper and performed the statistical analyses.
