Vignaroli, Carla
Di Sante, Laura
Magi, Gloria
Luna, Gian Marco
Di Cesare, Andrea
Pasquaroli, Sonia
Facinelli, Bruna
Biavasco, Francesca
Article History
Received: 23 April 2014
Revised: 31 July 2014
Accepted: 11 August 2014
First Online: 12 September 2014
Competing interests
: The authors declare no conflict of interest.