Bravo-Gil, Nereida
González-del Pozo, María
Martín-Sánchez, Marta
Méndez-Vidal, Cristina
Rodríguez-de la Rúa, Enrique
Borrego, Salud
Antiñolo, Guillermo
Article History
Received: 27 June 2016
Accepted: 4 January 2017
First Online: 3 February 2017
Competing interests
: The authors declare no competing financial interests.