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Authors
Bedane, Haji Kedir https://orcid.org/0000-0001-7984-2646
Lien, Lars
Bramness, Jørgen G.
Holman, Per Arne
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Article History
Received: 20 May 2025
Accepted: 16 December 2025
First Online: 5 January 2026
Declarations
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: In this research, aggregated information at the levels of hospital referral areas were used and patient level data was not used. Thus, this registry-based study did not require ethical approval from an ethics committee.
: All authors have no conflict of interest in this research.
