Angelini, Roberta
Zaccarelli, Emanuela
de Melo Marques, Flavio Augusto
Sztucki, Michael
Fluerasu, Andrei
Ruocco, Giancarlo
Ruzicka, Barbara
Article History
Received: 3 December 2013
Accepted: 6 May 2014
First Online: 2 June 2014
Competing interests
: The authors declare no competing financial interests.