Heegaard, Martin http://orcid.org/0000-0002-2566-4634
Tøndevold, Niklas http://orcid.org/0000-0002-5833-6207
Dahl, Benny http://orcid.org/0000-0001-5769-6959
Andersen, Thomas B.
Gehrchen, Martin http://orcid.org/0000-0001-5523-2763
Ohrt-Nissen, Søren http://orcid.org/0000-0002-8234-9948
Funding for this research was provided by:
Royal Library, Copenhagen University Library
Article History
Received: 8 December 2022
Revised: 3 April 2023
Accepted: 1 June 2023
First Online: 14 June 2023
Declarations
:
: MG helped in institutional grants from Cerapedics, institutional grants from NuVasive and institutional grants from Stryker; BD worked in Stryker (consultancy) and supported by The Alfred Benzon Foundation; the remaining authors report no conflicts of interest.
: This study was approved by the National Health and Medical Authority and The National Data Protection Agency.
: This study includes no experimental investigation.