Mercadante, Sebastiano
Adile, Claudio
Ferrera, Patrizia
Cortegiani, Andrea
Casuccio, Alessandra
Article History
Received: 6 May 2018
Accepted: 19 December 2018
First Online: 4 January 2019
Compliance with ethical standards
: The study was approved by the ethical committee and informed consent was obtained.
: All authors declare that they have no conflict of interest.