Text and Data Mining valid from 2019-04-02
Received: 31 December 2018
Accepted: 14 March 2019
First Online: 2 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The latest revision of the Helsinki Declaration and the Oviedo Declaration are the basis for the ethical conduct of the study. Ethical approval was obtained by the ethics committee of the University of Verona Hospital Trust with the reference number “42763 (CRINF-1034 CESC)”.
: Achievement of informed consent from all patients was required to enter the study.