Funding for this research was provided by:
Vetenskapsrådet (2011-5787, 2016-1, Linnaeus Uppsala RNA Research Centre 349-2006-267, Linnaeus Uppsala RNA Research Centre 349-2006-267, 2017-04148)
Received: 7 January 2018
Accepted: 23 April 2018
First Online: 10 May 2018
Ethics approval and consent to participate
: Not applicable
: The authors declare that they have no competing interests.
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