Bianchi, E
Bulgarelli, J
Ruberti, S
Rontauroli, S
Sacchi, G
Norfo, R
Pennucci, V
Zini, R
Salati, S
Prudente, Z
Ferrari, S
Manfredini, R http://orcid.org/0000-0003-0660-6110
Article History
Received: 14 August 2014
Revised: 23 January 2015
Accepted: 20 February 2015
First Online: 10 April 2015
Competing interests
: The authors declare no conflict of interest.