Søvsø, Morten Breinholt http://orcid.org/0000-0002-3156-5595
Kløjgaard, Torben Anders
Hansen, Poul Anders
Christensen, Erika Frischknecht
Article History
Received: 13 December 2018
Accepted: 28 March 2019
First Online: 16 April 2019
Ethics approval and consent to participate
: The study was approved by the Danish Data Protection Agency (North Denmark Region record number 2008-58-0028) and project identification number 2016–80 and by the Danish Patient Safety Authority (record number 3–3013-1675/1/).
: Not applicable.
: The authors declare that they have no competing interests.
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