Text and Data Mining valid from 2020-02-13
Received: 25 November 2019
Accepted: 4 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: As a retrospective quality of care analysis, no approval from the Regional Committee for Medical and Health Research Ethics (REK Nord) was necessary. This research project was carried out according to our institutions’ guidelines and with permission to access the patients’ data.
: Not applicable.
: The authors declare that they have no competing interests.