Milián-García, Y
Ramos-Targarona, R
Pérez-Fleitas, E
Sosa-Rodríguez, G
Guerra-Manchena, L
Alonso-Tabet, M
Espinosa-López, G
Russello, M A
Article History
Received: 21 March 2014
Revised: 18 August 2014
Accepted: 11 September 2014
First Online: 22 October 2014
Competing interests
: The authors declare no conflict of interest.