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Authors
Tveit, Håvard Horndalen http://orcid.org/0000-0003-3262-761X
Drugli, May Britt
Fossum, Sturla
Handegård, Bjørn Helge
Stenseng, Frode
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Funding
Funding for this research was provided by:
Norwegian Directorate of Health
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Article History
Received: 28 February 2019
Accepted: 3 August 2019
First Online: 8 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All the 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.
: Informed consent was obtained from all individual participants included in the study.
