1. Department of Surgery The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center Columbus Ohio USA
2. School of Medicine Federal University of Minas Gerais Belo Horizonte Brazil
3. Department of Surgery University of Verona Verona Italy
4. Department of Surgery Curry Cabral Hospital Lisbon Portugal
5. Department of Hepatibiliopancreatic Surgery APHP, Beaujon Hospital Clichy France
6. Department of Surgery Westmead Hospital Sydney New South Wales Australia
7. Department of Surgery Stanford University Stanford California USA
8. Department of Surgery Fundeni Clinical Institute Bucharest Romania
9. Department of Surgery University of Ottawa Ottawa Ontario Canada
10. School of Medicine Yokohama City University Yokohama Japan
11. Department of Surgery Keio University Tokyo Japan
12. Eastern Hepatobiliary Surgery Hospital Shanghai China