Sandvik, Jorunn https://orcid.org/0000-0001-7093-3357
Hole, Torstein
Klöckner, Christian A.
Kulseng, Bård Eirik
Wibe, Arne
Funding for this research was provided by:
Helse Midt-Norge (P-101618-01)
Article History
First Online: 18 January 2020
Compliance with Ethical Standards
: The study was evaluated by the Regional Ethics Committee (REK 2016/331) as a QUALITY improvement project and approved by the local Data Protection Officer. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.
: The authors declare that they have no conflict of interest.