Gaudernack, L. C.
Frøslie, K. F.
Michelsen, T. M.
Voldner, N.
Lukasse, M.
Article History
Received: 24 July 2017
Accepted: 15 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The Regional Committee for Health and Research Ethics (REC) considered the project to be a quality improvement project and stated that ethical approval was not necessary (REC number/Do. id: 206053/23. Aug. 2011). The Personal Data Officer (PVO) at the study stated that informed consent was not necessary.
: Not applicable.
: The authors declare that they have no competing interests.
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