1. Department of General-, Visceral-, Vascular- and Transplantation Surgery, University of Magdeburg, Leipziger Str. 44, 39120 Magdeburg, Germany
2. Hepatobiliopancreatic, Robotic and Minimally Invasive Surgery Unit, Fondazione Poliambulanza Istituto Ospedaliero, Via Bissolati 57, 25124 Brescia, Italy
3. Research and Clinical Trials Office, Fondazione Poliambulanza Istituto Ospedaliero, Via Bissolati 57, 25124 Brescia, Italy
4. Hepatobiliopancreatic Surgery, Université de Paris Cité, 85 boulevard Saint-Germain, 75006 Paris, France
5. Department of Hepatopancreatobiliary Surgery, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel and Europe Hospitals, Laarbeeklaan 101, 1090 Brussels, Belgium
6. Department of Advanced & Minimally Invasive Surgery, American Hospital of Tbilisi, 17 Ushangi Chkheidze Street, Tbilisi 0102, Georgia