Funding for this research was provided by:
Innlandet Hospital Trust (Not applicable)
Text and Data Mining valid from 2019-03-28
Received: 10 September 2018
Accepted: 14 March 2019
First Online: 28 March 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Regional Committee for Medical and Health Research Ethics, Health Region South-East (ID 2014/1936 C). All participants gave their written consent before taking part in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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