Novelle, Marta G.
Vázquez, María J.
Martinello, Kátia D.
Sanchez-Garrido, Miguel A.
Tena-Sempere, Manuel
Diéguez, Carlos
Article History
Received: 20 January 2014
Accepted: 15 April 2014
First Online: 6 May 2014
Competing interests
: The authors declare no competing financial interests.