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Authors
Svendsen, Vegard G https://orcid.org/0000-0001-5802-7482
Stavseth, Marianne Riksheim https://orcid.org/0000-0002-9324-6194
Skardhamar, Torbjørn https://orcid.org/0000-0002-5589-8570
Bukten, Anne https://orcid.org/0000-0003-0285-5339
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Funding
Funding for this research was provided by:
University of Oslo
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Article History
Received: 14 January 2023
Accepted: 18 May 2023
First Online: 2 June 2023
Change Date: 22 January 2025
Change Type: Update
Change Details: The funding statement has been corrected in the original publication. The article has been updated to rectify the error.
Declarations
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: The study was approved by the Regional Committees for Medical Research Ethics South East Norway (2012/140) and was approved as exempt from informed consent. Data files were linked by The Norwegian Institute of Public Health, which also created and stored the linkage code. All the methods were carried out in accordance with relevant guidelines and regulations (such as Declaration of Helsinki).
: Not applicable.
: The authors declare that they have no competing interests.
