Received: 21 February 2020
Accepted: 17 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the local Ethics Committee (Comitato Etico per la Sperimentazione Clinica delle Province di Verona e Rovigo), protocol number 53234. All included patients agreed to donate their biological samples for study purpose and signed an informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.