Funding for this research was provided by:
European Commission (H2020-688797, ICT-2013-612944)
Ministero dell’Istruzione, dell’Università e della Ricerca (ARS01 01259)
Text and Data Mining valid from 2019-06-03
Received: 18 April 2019
Accepted: 24 May 2019
First Online: 3 June 2019
: The authors declare that they have no competing interests.