**Author details**

Ioannis A. Ziogas1†, Ioannis Katsaros2† and Georgios Tsoulfas3 \*

1 Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA

2 Department of Surgery, Metaxa Cancer Hospital, Piraeus, Greece

3 First Department of Surgery, Papageorgiou General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece

\*Address all correspondence to: tsoulfasg@gmail.com

† Both authors have contributed equally and share first co-authorship.

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