Poutou, J
Bunuales, M
Gonzalez-Aparicio, M
Garcia-Aragoncillo, E
Quetglas, J I
Casado, R
Bravo-Perez, C
Alzuguren, P
Hernandez-Alcoceba, R
Article History
Received: 18 December 2014
Revised: 3 April 2015
Accepted: 27 April 2015
First Online: 4 May 2015
Competing interests
: The authors declare no conflict of interest.
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