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Authors
Koivunen, Konsta
Pernaa, Katri I.
Saltychev, Mikhail
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Article History
Received: 19 March 2023
Accepted: 20 July 2023
First Online: 26 July 2023
Declarations
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: All the methods were carried out in accordance with the Declaration of Helsinki. Given the retrospective nature of the register-based study, the need for informed consent or ethics approval was waived by the Hospital District of South-West Finland ethics committee.
: Not applicable. The manuscript does not include information or images that could lead to identification of a study participant.
: Dr. K. Pernaa is the Director of Spinal Surgery Center in Turku University Hospital. Otherwise, no competing interests are declared.
