Guastafierro, Antonio
Avvedimento, Stefano
Pieretti, Gorizio
Gulotta, Eliana
Izzo, Sara
Nicoletti, Giovanni Francesco
Ciccarelli, Feliciano
Article History
Received: 4 September 2019
Accepted: 22 April 2020
First Online: 26 May 2020
Compliance with ethical standards
:
: Antonio Guastafierro, Stefano Avvedimento, Gorizio Pieretti, Eliana Gullotta, Sara Izzo, Giovanni Francesco Nicoletti and Feliciano Ciccarelli declare that they have no conflict of interest.
: All the procedures performed in this study were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. A local ethics committee has confirmed that no ethical approval is required for this retrospective study.
: Informed consent was obtained from all individual participants included in the study.