Pindado, Santiago http://orcid.org/0000-0003-2073-8275
Cubas, Javier http://orcid.org/0000-0001-9787-3796
Roibás-Millán, Elena http://orcid.org/0000-0003-0180-6973
Sorribes-Palmer, Félix http://orcid.org/0000-0003-3442-0487
Article History
Received: 8 August 2017
Revised: 17 January 2018
Accepted: 23 February 2018
First Online: 13 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.