Plaza-Izurieta, Leticia
Fernandez-Jimenez, Nora
Irastorza, IƱaki
Jauregi-Miguel, Amaia
Romero-Garmendia, Irati
Vitoria, Juan Carlos
Bilbao, Jose Ramon
Article History
Received: 2 July 2014
Revised: 30 September 2014
Accepted: 4 October 2014
First Online: 12 November 2014
Competing interests
: The authors declare no conflict of interest.