Dohrn, Niclas http://orcid.org/0000-0002-4854-300X
Klein, Mads Falk http://orcid.org/0000-0001-6609-4263
Gögenur, Ismail http://orcid.org/0000-0002-3753-268X
Article History
Accepted: 27 May 2021
First Online: 2 June 2021
Declarations
:
: By Danish law and the national ethics guidelines, approval was not required because the study was a database study. Approval from the Danish Agency for Data Protection and the scientific review board at the Danish Colorectal Cancer Group Database were acquired.
: Informed consent from participants were not needed as the study was a database study.
: The authors declare no competing interests.
: The study was initiated by the investigators, and the funding organizations did not play any role in the study design, data collection, analysis or interpretation of the data, decision to publish, or preparation of the manuscript.