Funding for this research was provided by:
Helse Sør-Øst RHF
Text and Data Mining valid from 2018-09-11
Received: 21 June 2018
Accepted: 27 July 2018
First Online: 11 September 2018
Ethics approval and consent to participate
: The Regional Committees for Medical and Health Research Ethics approved the study, and written consent was obtained from all participants.
: Not applicable
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