Niegowska, Magdalena
Rapini, Novella
Piccinini, Simona
Mameli, Giuseppe
Caggiu, Elisa
Manca Bitti, Maria Luisa
Sechi, Leonardo A.
Article History
Received: 24 November 2015
Accepted: 10 February 2016
First Online: 29 February 2016
Competing interests
: The authors declare no competing financial interests.