Russo, Marina
Coppola, Vincenzo
Giannetti, Eleonora
Buonavolontà, Roberta
Piscitelli, Antonio
Staiano, Annamaria
Article History
Received: 30 November 2017
Accepted: 9 May 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: The study was approved by the Independent Ethics Committee of the “Federico II” University of Naples (reference number: 25/17).
: The authors declare that they have no competing interests.
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