Guadagni, Viviana
Cerri, Chiara
Piano, Ilaria
Novelli, Elena
Gargini, Claudia
Fiorentini, Carla
Caleo, Matteo
Strettoi, Enrica
Article History
Received: 20 June 2016
Accepted: 4 October 2016
First Online: 24 October 2016
Change Date: 9 December 2016
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.