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Authors
Bruun-Olsen, Vigdis https://orcid.org/0000-0002-1891-4551
Bergland, Astrid
Heiberg, Kristi Elisabeth
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Funding
Funding for this research was provided by:
Vestre Viken Hospital Trust Research Fund, Norway
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More Information
Article History
Received: 14 August 2017
Accepted: 14 January 2018
First Online: 19 January 2018
Ethics approval and consent to participate
: The project was approved by the Regional Committee for Ethics in Medical Research (South-East Norway) (2015/2147). The participants were guaranteed confidentiality and were informed that participation was voluntary and that they could withdraw at any time. All patients have given their written consent to participate.
: Not applicable for this manuscript.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
