Traina, Gloria http://orcid.org/0000-0003-1068-4509
Feiring, Eli
Funding for this research was provided by:
Universitetet i Oslo
Article History
Received: 22 December 2019
Accepted: 25 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: In compliance with Norwegian legislation on ethics in research, the study was regarded as health service research and was approved by the Norwegian Centre for Research Data NSD (project no. 50172). Each participant provided written consent to participate.
: Each participant provided written consent to publish results. This article does not contain any individual person’s data in any form.
: The authors declare that they have no competing interests.