Funding for this research was provided by:
H2020 Marie Sklodowska-Curie Actions (644602)
Text and Data Mining valid from 2018-06-01
Received: 7 June 2017
Accepted: 23 May 2018
First Online: 2 June 2018
Compliance with ethical standards
: The author(s) declare(s) that there is no conflict of interest regarding the publication of this paper.