Navas, J F
Barrós-Loscertales, A
Costumero-Ramos, V
Verdejo-Román, J
Vilar-López, R
Verdejo-García, A
Article History
Received: 17 January 2017
Revised: 19 July 2017
Accepted: 2 August 2017
First Online: 18 August 2017
Competing interests
: The authors declare no conflict of interest.