Scarselli, Alberto
Corfiati, Marisa
Di Marzio, Davide
Marinaccio, Alessandro
Iavicoli, Sergio
Article History
Received: 21 December 2017
Accepted: 18 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: Our study does not require an ethical approval since it is not an experimental study but an epidemiological analysis.
: Not applicable
: The authors declare that they have no competing interests.
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