1. Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
2. Department of Surgery, University of Verona, Verona, Italy
3. Department of Surgery, Ospedale San Raffaele, Milan, Italy
4. Department of Surgery, Curry Cabral Hospital, Lisbon, Portugal
5. Department of Hepatobiliopancreatic Surgery, APHP, Beaujon Hospital, Clichy, France
6. Department of Surgery, Westmead Hospital, Sydney, NSW, Australia
7. Department of Surgery, Stanford University, Stanford, CA
8. Department of Surgery, Fundeni Clinical Institute, Bucharest, Romania
9. Department of Surgery, University of Ottawa, Ottawa, ON, Canada
10. Department of Surgery, School of Medicine, The University of Sydney, Sydney, NSW, Australia
11. The Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
12. Yokohama City University School of Medicine, Yokohama, Japan