Text and Data Mining valid from 2018-04-03
Received: 31 August 2017
Accepted: 1 March 2018
First Online: 3 April 2018
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Review Board in Linkoping, Sweden.
: Not applicable.
: No conflicts of interest where declared by the authors. However Rolf Gedeborg is also employed by the Medical Products Agency, an agency of the Swedish government. The views expressed in this paper may not reflect the views of the Medical Products Agency.
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