Ezquerra-Inchausti, Maitane
Barandika, Olatz
Anasagasti, Ander
Irigoyen, Cristina
López de Munain, Adolfo
Ruiz-Ederra, Javier
Article History
Received: 20 September 2016
Accepted: 24 November 2016
First Online: 3 January 2017
Competing interests
: The authors declare no competing financial interests.