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Authors
Knapstad, Marit http://orcid.org/0000-0003-0958-1596
Sæther, Solbjørg Makalani Myrtveit
Hensing, Gunnel
Smith, Otto Robert Frans
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Funding
Funding for this research was provided by:
Norwegian Directorate of Health and Care services
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Article History
Received: 29 March 2019
Accepted: 27 January 2020
First Online: 4 February 2020
Ethics approval and consent to participate
: The study was approved by the regional ethics committee for Western Norway (REK-vest no. 2014/597). All participants have signed an informed consent scheme.
: Not applicable.
: The authors declare that they have no competing interests.
