Pérez-Rodríguez, Ileana
Bolognini, Marie
Ricci, Jessica
Bini, Elisabetta
Vetriani, Costantino
Article History
Received: 27 May 2014
Revised: 27 September 2014
Accepted: 1 October 2014
First Online: 14 November 2014
Competing interests
: The authors declare no conflict of interest.