De Simone, Luciano
Capirchio, Laura
Roperto, Rosa Maria
Romagnani, Paola
Sacchini, Michele
Donati, Maria Alice
de Martino, Maurizio
Article History
Received: 4 May 2018
Accepted: 1 August 2018
First Online: 13 August 2018
Ethics approval and consent to participate
: Not applicable
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.