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Authors
Rudolfsen, Jan Håkon https://orcid.org/0000-0002-4058-056X
Solberg, Tore K.
Ingebrigtsen, Tor
Olsen, Jan Abel
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Article History
Received: 11 October 2019
Accepted: 7 February 2020
First Online: 22 February 2020
Ethics approval and consent to participate
: All patients who participated in NORspine signed consent forms. Data collected in NPR is excempt from consent regulations by Norwegian law. The merging and handling of data was approved by the Regional Ethics Committee [Ref: 2016/2059], the Norwegian Data Protection Authority [Ref: /00429–2/SBO] and the NPR [Ref: /12072–9].
: Not applicable.
: The authors declare that they have no competing interests.
