Currò, Monica
Risitano, Roberto
Ferlazzo, Nadia
Cirmi, Santa
Gangemi, Chiara
Caccamo, Daniela
Ientile, Riccardo
Navarra, Michele
Article History
Received: 4 September 2015
Accepted: 8 January 2016
First Online: 8 February 2016
Competing interests
: The authors declare no competing financial interests.