1 Department of General, Thoracic, Vascular and Transplantation Surgery, University of Rostock, Rostock, Germany, Rozzano (Milan), Italy.
2 Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany, Rozzano (Milan), Italy.
3 Department of General, Visceral and Transplant Surgery, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Germany, Rozzano (Milan), Italy.
4 University Cancer Center Leipzig (UCCL), University Hospital Leipzig, Leipzig, Germany, Rozzano (Milan), Italy.
5 Department of Surgical Oncology, Division of Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA, Rozzano (Milan), Italy.
6 Division of Hepatobiliary and General Surgery, Department of Surgery, Humanitas University and Humanitas Research Hospital, Rozzano (Milan), Italy.