Ferrara, Pietro https://orcid.org/0000-0001-9449-3464
Ianniello, Francesca
Villani, Alberto
Corsello, Giovanni
Article History
Received: 27 September 2017
Accepted: 3 January 2018
First Online: 17 January 2018
Ethics approval
: This study was conducted in accordance with the regulatory standards of Good Clinical Practice and the Declaration of Helsinki.
: Not applicable
: The authors declare that they have no competing interests.
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