Castagnini, Francesco http://orcid.org/0000-0002-3567-9194
Bordini, Barbara
Stea, Susanna
Calderoni, Pierina Paola
Masetti, Claudio
Busanelli, Luca
Article History
Received: 12 February 2018
Accepted: 8 August 2018
First Online: 23 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was not necessary as the registry collects personal data as standard practice and conceals the identity of the patients.