Document is current

Article History

Received: 4 April 2018

Accepted: 24 July 2018

First Online: 8 August 2018

Ethics approval and consent to participate

: The research protocol received the approval of Catania University Hospital Ethics Committee (Catania, Italy) and the written informed consent of all subjects was acquired including them in the study. Participation will be voluntary.

: Consent for publication was obtained.

: The authors declare that they have no competing interests.

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