Casadei, Alberto
Llado, Esther Alarcon
Amaduzzi, Francesca
Russo-Averchi, Eleonora
Rüffer, Daniel
Heiss, Martin
Negro, Luca Dal
Morral, Anna Fontcuberta i
Article History
Received: 23 September 2014
Accepted: 28 November 2014
First Online: 7 January 2015
Competing interests
: The authors declare no competing financial interests.