Funding for this research was provided by:
Stiftelsen Handlanden Hjalmar Svenssons (HJSV2016023)
Stiftelsen Edit Jakobssons Donationsfond (Henrik Rabell GÖH 420)
Västra Götalandsregionen (VGFOUREG-655761)
Text and Data Mining valid from 2017-10-11
Received: 31 March 2017
Accepted: 13 September 2017
First Online: 11 October 2017
Ethics approval and consent to participate
: The regional Ethical Review Board of Gothenburg, Sweden, reviewed the project and the study was approved on 19 January 2016 (reference number: 932-15).
: Not applicable
: All authors declare that they have no competing interests.
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