García-Pallero, María A.
Torres, Cristina V.
Delgado-Fernández, Juan
Sola, R. G.
Article History
Received: 11 August 2016
Revised: 24 November 2016
Accepted: 5 December 2016
First Online: 11 January 2017
Compliance with ethical standards
:
: None of the authors has any conflict of interest to disclose.