Valdés, Iris
Gil, Lázaro
Lazo, Laura
Marcos, Ernesto
Martín, Jorge
Suzarte, Edith
Castro, Jorge
Romero, Yaremis
Guillén, Gerardo
Hermida, Lisset
Article History
Received: 4 September 2015
Accepted: 9 November 2015
First Online: 20 November 2015
Compliance with ethical standards
:
: No conflict of interest to declare.
Free to read: This content has been made available to all.