Garrido-Gala, José http://orcid.org/0000-0003-1357-3580
Higuera, José Javier
Muñoz-Blanco, Juan
Amil-Ruiz, Francisco http://orcid.org/0000-0002-3470-0860
Caballero, José L. http://orcid.org/0000-0002-2678-4849
Article History
Received: 30 July 2018
Accepted: 28 February 2019
First Online: 20 March 2019
Competing Interests
: The authors declare no competing interests.