Scimeca, Manuel
Urbano, Nicoletta
Bonfiglio, Rita
Schillaci, Orazio
Bonanno, Elena
Article History
Received: 15 March 2018
Revised: 10 August 2018
Accepted: 16 August 2018
First Online: 17 October 2018
Competing interests
: The authors declare no competing interests. The study is original and the manuscript has not been published yet and is not being considered for publication. All authors have agreed with the submission in its present (and subsequent) forms.
: The study was conducted in compliance with the provisions of the Declaration of Helsinki and in accordance with the International Standards of Good Clinical Practice. The final protocol, amendments and informed consent documentation were reviewed and approved by an institutional review board or independent ethics committee(s) (reference number #94.13).
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).