Ravo, B.
Falasco, Giuliano
Article History
Received: 25 January 2019
Accepted: 11 May 2019
First Online: 20 May 2019
Compliance with ethical standards
:
: None of the authors has any financial relationship to disclose.
: At our institution, this study did not require an ethical committee approval because it is not a randomized study and the biological material used is well known and approved by FDA and the European TUV as early as year 2000.
: All procedure were performed according to ethical standards and approved by ethical committee of our institution. No procedure were performed on animals in this study.
: All patients signed for informed consent.