Division of General and Transplant Surgery, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy

Department of Biomedical Sciences for Health, Division of General Surgery, University of Milano Medical School, IRCCS Policlinico San Donato, Italy

Department of General Surgery, IRCCS Foundation Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy

Hepatobiliary Surgery Division, Ospedale San Raffaele, Via Olgettina 60, Milano, Italy

Department of General Surgery, University of Insubria, University Hospital of Varese, Varese, Italy

Division of General and HBP Surgery, Taipei Medical University, Taipei, Taiwan

Department of Radiology, Chung-Ang University Hospital, Seoul, South Korea

Department of General Surgery, Maggiore Hospital - Bologna Local Health District, Bologna, Italy

Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore, Singapore

Department of Surgery, University of São Paulo, São Paulo, Brazil

Division of Hepato-biliopancreatic Surgery, Naples University, Napoli, Italy

Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China

Department of Biomedical Sciences and Human Oncology, University of Bari, Bari, Italy

Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel

Division of Hepato-biliary-and pancreatic surgery, Hospital del Mar, Barcelona, Spain

Department of Surgery, Pamela Youde Nethersole Eastern Hospital, Hong Kong (SAR), China

Department of Surgery, Makati Medical Center, Makati, Philippines

Division of Hepatobiliary and General Surgery, Department of Surgery, Humanitas Clinical and Research Center - IRCCS, Milan, Italy