Text and Data Mining valid from 2019-11-21
Received: 19 July 2019
Accepted: 24 September 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The protocol was approved by Policlinico Umberto I-Sapienza University of Rome Ethical Committee (Prot. 120/16). The patients signed a dedicated informed consent before the enrolment in the study.
: The authors declare that they have no competing interests.