Spina, Alfio http://orcid.org/0000-0003-2096-8871
Boari, Nicola
Gagliardi, Filippo
Bailo, Michele
Morselli, Carlotta
Iannaccone, Sandro
Mortini, Pietro
Article History
Received: 29 March 2017
Revised: 3 July 2017
Accepted: 18 July 2017
First Online: 26 July 2017
Compliance with ethical standard
:
: The authors declare that they have no conflict of interest.
: No funding was received for this research.
: This article does not contain any studies with human participants or animals performed by any of the authors. For this type of study, formal consent is not required.