Funding for this research was provided by:
Universitetet i Bergen
G.C Rieber Foundation
National Centre for Emergency Primary Health Care
Text and Data Mining valid from 2018-05-02
Received: 24 January 2018
Accepted: 23 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: The study was approved by the Regional Committee for Medical and Health Research Ethics North (2014/2308) and the Norwegian Data Protection Authority (15/00450–2/CGN, 17/00341–3/SBO). Informed consent was not possible.
: The authors declare that they have no competing interests.
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