Text and Data Mining valid from 2019-01-01
First Online: 16 January 2019
Compliance with Ethical Standards
: Javier Perez-Ardavin, Jose Vicente Sanchez-Gonzalez, Manuel Martinez-Sarmiento, Juan Jose Monserrat-Monfort, Jorge García-Olaverri, Francisco Boronat-Tormo, and César D. Vera-Donoso each declare no potential conflicts of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.