Panaccio, Paolo
Grottola, Tommaso
Ricciardiello, Marco
di Sebastiano, Pierluigi
di Mola, F. Francesco http://orcid.org/0000-0001-9877-2946
Article History
Received: 12 January 2018
Accepted: 27 July 2018
First Online: 7 August 2018
Compliance with ethical standards
:
: The study protocol was in accordance with the ethical standards of the institutional research committee and the 1964 Helsinki Declaration and its later amendments. Since this was a retrospective study, formal consent for this study is not required and no approval of the institutional research committee was needed.
: The authors declare that they have no conflict of interest.