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Authors
Oldenburg, Christian
Kjeldgård, Linnea
Stigson, Helena
Friberg, Emilie
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Funding
Funding for this research was provided by:
Karolinska Institute
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Article History
Received: 5 September 2023
Accepted: 9 April 2025
First Online: 24 April 2025
Declarations
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: The research adhered to the guidelines stipulated by the World Medical Association Declaration of Helsinki. In the Nordic countries, extensive register-based studies like this one do not usually require participant consent. For this study, the Regional Ethical Review Board in Stockholm, Sweden waived the consent requirement and approved the project. Administrative bodies anonymized the data before handing it over to the researchers.
: The authors declare no competing interests.
