Scimone, Concetta
Donato, Luigi
Marino, Silvia
Alafaci, Concetta
D’Angelo, Rosalia http://orcid.org/0000-0001-6510-3121
Sidoti, Antonina
Article History
Received: 7 September 2018
Accepted: 1 December 2018
First Online: 6 December 2018
Compliance with ethical standards
: The author declares that the manuscript has not been submitted to more than one journal for simultaneous consideration and has not been published previously.
: All the authors read and approved the final version of the manuscript.
: The manuscript is a collection of literature data and does not involve animals or human participants.
: The authors declare that they have no conflict of interest.