Grijota, Francisco Javier
Muñoz, Diego http://orcid.org/0000-0003-4107-6864
Bartolomé, Ignacio
Siquier-Coll, Jesús
Robles, María Concepción
Maynar, Marcos
Article History
Received: 10 April 2019
Accepted: 15 July 2019
First Online: 29 July 2019
Compliance with Ethical Standards
: They were informed about the aim and procedures of the study, and gave their informed consents and participated voluntarily. The University of Extremadura Ethics Committee approved the investigation according to the latest version of the Helsinki declaration for human research.
: The authors declare that they have no conflicts of interest.