Palomares, Francisco http://orcid.org/0000-0002-4655-7205
Lucena-Pérez, María
López-Bao, José Vicente http://orcid.org/0000-0001-9213-998X
Godoy, José Antonio
Article History
Received: 20 March 2017
Accepted: 19 May 2017
First Online: 3 July 2017
Competing Interests
: The authors declare that they have no competing interests.