Bari, Tanvir Johanning https://orcid.org/0000-0003-0513-7316
Hallager, Dennis Winge https://orcid.org/0000-0002-7439-5485
Hansen, Lars Valentin
Dahl, Benny https://orcid.org/0000-0001-5769-6959
Gehrchen, Martin https://orcid.org/0000-0001-5523-2763
Article History
Received: 12 August 2020
Accepted: 8 November 2020
First Online: 5 January 2021
Compliance with ethical standards
:
: This study was approved by the National Health and Medical authority and The National Data Protection Agency.
: BD received consulting fees from K2M outside of the submitted work; MG received institutional grants from K2M and Medtronic outside of the submitted work; JS received research support from Medtronic; Institutional grants form Nserc and Medtronic; fellowship support from Medtronic and Depuy Synthes all outside the submitted work; the remaining authors report no conflicts of interest.
: This study includes no experimental investigation.
: The National Patient Safety Authority and the National Data Protection Agency approved this cohort study.