Funding for this research was provided by:
Horizon 2020 (703543)
Text and Data Mining valid from 2019-06-19
Received: 19 February 2019
Accepted: 9 June 2019
First Online: 19 June 2019
Ethics approval and consent to participate
: Not applicable, as no human participants, data or tissue or animals are involved in this study.
: The authors agree to the conditions of submission, BioMed Central’s copyright and license agreement and article-processing charge (APC).
: The authors declare that they have no competing interests.