Updates are available Correction dated 2026-02-25
Click to view Correction: https://doi.org/10.1007/s11136-026-04188-x
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Authors
Stavem, Knut https://orcid.org/0000-0003-4512-8000
Garratt, Andrew M. https://orcid.org/0000-0002-1000-4780
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Funding
Funding for this research was provided by:
Akershus University Hospital
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Article History
Received: 22 September 2024
Accepted: 14 October 2025
First Online: 9 January 2026
Change Date: 31 January 2026
Change Type: Update
Change Details: The original online version of this article was revised: Footnote to appendix tables 1 and 2 is included.
Change Date: 25 February 2026
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s11136-026-04188-x
Declarations
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: KS is member of the EuroQol Group Association and member of the Board of Directors of the EuroQol Research Foundation. He reports having received consulting fees from Merck Sharp & Dohme, unrelated to this study. AMG reports no relevant financial or non-financial interests.
: The Regional Committees for Medical and Health Research Ethics, Health Region South East (approval no. 2020/149384 on 30 May 2020) and the Data Protection Officer at Akershus University Hospital approved the study.
: Informed consent was obtained from all individual participants included in the study.
