Callejas-Hernández, Francisco
Gutierrez-Nogues, Ángel
Rastrojo, Alberto
Gironès, Núria
Fresno, Manuel
Funding for this research was provided by:
Ministerio de Economía y Competitividad (SAF2016-75988-R)
Consejería de Educación, Juventud y Deporte, Comunidad de Madrid (S-2010/BMD-2332)
Institutional grants from “Fundación Ramón Areces” and “Banco de Santander”.
Article History
Received: 11 June 2019
Accepted: 7 November 2019
First Online: 22 November 2019
Competing interests
: The authors declare no competing interests.