Funding for this research was provided by:
Ministero della Salute (Ricerca Corrente)
Text and Data Mining valid from 2018-10-24
Received: 7 May 2018
Accepted: 31 July 2018
First Online: 24 October 2018
Ethics approval and consent to participate
: Consent was not applicable due to the design of the study, which is a narrative review.
: Not applicable
: The authors declare that they have no competing interests.
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