Funding for this research was provided by:
EC | Horizon 2020 (H2020-MSCA-IF-2015-703745)
Text and Data Mining valid from 2018-12-01
Received: 8 August 2018
Accepted: 12 November 2018
First Online: 14 December 2018
Change Date: 18 April 2019
Change Type: Correction
Change Details: A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
: The authors declare no competing interests.