1. Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Institute for Digestive Diseases and Liver Transplantation Fundeni, Bucharest, Romania
3. Curry Cabral Hospital, Lisbon, Portugal
4. Ospedale San Raffaele, Milan, Italy
5. Medical College of Wisconsin, Milwaukee
6. University of Sydney, Sydney, Australia
7. University of Virginia, Charlottesville
8. Eastern Hepatobiliary Surgery Hospital, Shanghai, China
9. Stanford University, Palo Alto, California
10. Emory University, Atlanta, Georgia