Mariani, Maria Antonietta
Padedda, Bachisio Mario
Kaštovský, Jan
Buscarinu, Paola
Sechi, Nicola
Virdis, Tomasa
Lugliè, Antonella
Article History
Received: 13 July 2015
Accepted: 9 November 2015
First Online: 9 December 2015
Competing interests
: The authors declare no competing financial interests.