Text and Data Mining valid from 2019-11-25
Received: 15 June 2019
Accepted: 14 November 2019
First Online: 25 November 2019
Compliance with ethical standards
: The authors declare no conflicts of interest.
: All procedures performed in the study were in accordance with the ethical standards of the Ethical Committee Val Padana (Protocol 34788/17) and with the 1964 Helsinki declaration.
: Informed consent was obtained from patients’ authorized surrogates at study enrollment.