Garcia-Etxebarria, Koldo
Jauregi-Miguel, Amaia
Romero-Garmendia, Irati
Plaza-Izurieta, Leticia
Legarda, Maria
Irastorza, IƱaki
Bilbao, Jose Ramon http://orcid.org/0000-0002-3176-501X
Article History
Received: 8 March 2016
Revised: 24 July 2016
Accepted: 5 August 2016
First Online: 21 September 2016
Competing interests
: The authors declare no conflict of interest.