1. Hepatobiliary Center; Paul Brousse Hospital - University Paris Sud; 14 Avenue Paul Vaillant Couturier 94800 Villejuif France
2. Department of Surgery; Ageo Central General Hospital; Ageo, Saitama Japan
3. Department of Surgery; University of Pittsburgh Medical Center; Pittsburgh Pennsylvania USA
4. Department of Surgery; Tulane University; New Orleans Louisiana USA
5. Department of Surgery, Seoul National University, College of Medicine; Seoul National Universtiy Bundang Hospital; Seongnam South Korea
6. Department of HPB Surgery and Liver Transplant; Beaujon Hospital - University Denis Diderot; Paris France
7. Department of Surgery; Royal Brisbane Hospital; Brisbane Queensland Australia