Text and Data Mining valid from 2019-04-01
Received: 25 September 2018
Accepted: 7 December 2018
First Online: 24 April 2019
Ethics approval and consent to participate
: Ethical approval for the study was given by University Hospital Policlinico “P. Giaccone” of Palermo.
: All patients gave written informed consent to publish their data.
: The authors declare that they have no competing interests.
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