Poggi, Pasquale
Locatelli, Massimiliano
Pugliese, Eugenio
Delle Donne, Dario
Lacanna, Giorgio
Meucci, Riccardo
Ripepe, Maurizio
Article History
Received: 22 October 2015
Accepted: 8 February 2016
First Online: 1 April 2016
Competing interests
: The authors declare no competing financial interests.