Article History
Received: 19 October 2019
Accepted: 20 January 2020
First Online: 28 January 2020
Compliance with ethical standards
:
: PG: Surgical Trainer for Biolitec, Biomedical Technology (no financial interests); MDA: no conflict of interest; AM: No conflict of interest.
: The study was conducted in accordance with the ethical standards reported in the Declaration of Helsinki.
: All patients provided written informed consent.