Funding for this research was provided by:
Horizon 2020 Framework Programme (688014)
Text and Data Mining valid from 2018-01-25
Accepted: 11 January 2018
First Online: 25 January 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: The L2TOR project is funded by the H2020 Framework Programme of the EC, Grant Number: 688014.