Parati, Gianfranco
Ochoa, Juan Eugenio
Bilo, Grzegorz
Mattaliano, Paola
Salvi, Paolo
Kario, Kazuomi
Lombardi, Carolina
Article History
Received: 8 February 2013
Revised: 12 June 2013
Accepted: 6 January 2014
First Online: 8 May 2014
Competing interests
: The authors declare no conflict of interest.