Funding for this research was provided by:
Ministero dell’Istruzione, dell’Università e della Ricerca (PRIN2017 - Grant 2017SFBFER)
Text and Data Mining valid from 2020-03-18
Received: 9 January 2020
Accepted: 11 March 2020
First Online: 18 March 2020
Ethics approval and consent to participate
: The study was approved by the Ethics committee of the Federico II University Hospital (protocol number 173/2017). No written informed consent was necessary for this type of study.
: Not applicable.
: The authors declare that they have no competing interests.