Funding for this research was provided by:
Norges Forskningsråd (#2 T23273)
KG Jebsen Foundation (SKGJ-MED-008)
Text and Data Mining valid from 2018-05-11
Received: 16 July 2017
Accepted: 11 April 2018
First Online: 11 May 2018
: The authors declare that they have no competing interests.
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