Main statements
I, the undersigned, Francesco
Ferrara and any other author, declare that:
· The manuscript was written entirely by the authors;
· All authors made an equal contribution in the development of the
paper;
· We have no conflict of interest;
· We have not received funding/source;
· There are no sensitive data and no patients were recruited for this
study;
· The document does not conflict with ethical legislation.
Regards
The authors