Funding for this research was provided by:
Ministerio de Economía, Industria y Competitividad, Gobierno de España (FJCI-2016-27873)
Text and Data Mining valid from 2019-04-08
First Online: 8 April 2019
Compliance with ethical standards
: Authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.