Funding for this research was provided by:
Helse Vest Regionalt Helseføretak
Received: 22 February 2018
Accepted: 18 May 2018
First Online: 29 May 2018
Ethics approval and consent to participate
: This project is a part of the quality-improvement work at the DED at Haukeland University Hospital and was approved by the data protection officer at that hospital (approval no. 2015/12991). The project protocol was submitted for consideration to the Regional Ethical Committee and deemed exempt from review as it was classified as quality improvement (2018/275/REK vest). Consent to participate is not required for quality improvement projects.
: The authors declare that they have no competing interests.
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