Daniele, Simona
Giacomelli, Chiara
Zappelli, Elisa
Granchi, Carlotta
Trincavelli, Maria Letizia
Minutolo, Filippo
Martini, Claudia
Article History
Received: 12 June 2015
Accepted: 29 September 2015
First Online: 23 October 2015
Competing interests
: The authors declare no competing financial interests.