Text and Data Mining valid from 2019-04-29
Received: 28 January 2019
Accepted: 11 April 2019
First Online: 29 April 2019
Ethics approval and consent to participate
: The study was done as a quality improvement study, as per the Norwegian Law on Health Personnel §26. Accordingly, the need for approval from an ethics committee was waived, and it was not necessary to obtain consent to participate from the patients. Data were registered anonymously from electronic medical records.
: Not applicable.
: The authors declare that they have no competing interests.
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