Funding for this research was provided by:
Fondation Idella (1072031001)
University of Copenhagen
Research Fondation of General Practice (1104031001)
Text and Data Mining valid from 2018-05-16
Received: 12 October 2017
Accepted: 7 May 2018
First Online: 16 May 2018
Ethics approval and consent to participate
: The study was approved by the Danish Data Agency (J.nr. 2015–41-4057). Ethics Committee approval was not required.
: The authors declare that they have no competing interests.
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