Vélez, Paula
Ocaranza-Sánchez, Raymundo
López-Otero, Diego
Grigorian-Shamagian, Lilian
Rosa, Isaac
Guitián, Esteban
García-Acuña, José María
González-Juanatey, José Ramón
García, Ángel
Article History
Received: 14 May 2016
Accepted: 24 November 2016
First Online: 22 December 2016
Competing interests
: The authors declare no competing financial interests.