Sharew, A.
Bodilsen, J.
Hansen, B. R.
Nielsen, H.
Brandt, C. T. http://orcid.org/0000-0003-0201-0440
Funding for this research was provided by:
Nordsjællands Hospital (Not applicaple)
Article History
Received: 18 October 2019
Accepted: 17 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This retrospective data collection was approved by the Danish National Board of Health (record no. (3–3013-135/1) and Danish Data Protection Agency in the North Denmark Region (record no. 2008-58-0028) and the Capital Region of Denmark (record no. 01706 hvh-2012-016, NOH-2015-012). Approval from an ethics committee is not required in Denmark for retrospective studies.
: Not applicable.
: The authors declare that they have no competing interests.