Angelakopoulos, N.
De Luca, S. http://orcid.org/0000-0002-1725-0853
Velandia Palacio, L. A.
Coccia, E.
Ferrante, L.
Cameriere, R.
Article History
Received: 16 November 2017
Accepted: 27 February 2018
First Online: 8 March 2018
Compliance with ethical standards
: The study was carried out in accordance with the ethical standards laid down by the Declaration of Helsinki (Finland)
: The authors declare that they have no conflict of interest.