García Ibarra, Verónica
Rodríguez Bernaldo de Quirós, Ana
Paseiro Losada, Perfecto
Sendón, Raquel
Article History
Received: 5 December 2017
Revised: 26 February 2018
Accepted: 29 March 2018
First Online: 7 May 2018
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.