1. Department of Surgery, University of Pittsburgh Medical Center , Pittsburgh, Pennsylvania , USA
2. Department of Surgery, Leicester General Hospital , Leicester , UK
3. Department of Surgery, Brown University , Providence, Rhode Island , USA
4. Department of Surgery, Eberhard Karls University of Tubingen University , Tubingen , Germany
5. Department of Surgery, Cliniques Universitaires Saint Luc , Brussels , Belgium
6. Department of Pathology, University of Pittsburgh Medical Center , Pittsburgh, Pennsylvania , USA
7. Department of Surgery, Hospital Paul Brousse , Villejuif , France
8. Department of Surgery, Medical University of Warsaw , Warsaw , Poland
9. Department of Surgery, Queen Elizabeth Hospital , Birmingham , UK
10. Department of Surgery, King’s College Hospital , London , UK
11. Centro di Trapianti di Fegato, AOU Citta’ Della Salute e Della Scienza di Torino , Torino , Italy
12. Department of Surgery, CUK GHS Essen , Essen , Germany
13. Department of Surgery, Charite Campus Virchow Klinikum , Berlin , Germany
14. Department of Surgery, CHU Rennes, Hôpital de Pontchaillou , Rennes , France
15. Department of Surgery, Universitatsklinikum Heidelberg , Heidelberg , Germany
16. Department of Surgery, Hospital Universitario y Politecnico la Fe , Valencia , Spain
17. Department of Surgery, St James's University Hospital and Seacroft University Hospital , Leeds , UK
18. Department of Surgery, Ospedale Cisanello , Pisa , Italy
19. Department of Surgery, CHRU de Strasburg , Strasbourg , France
20. Transplantcenter, IKEM , Prague , Czech Republic
21. Hospital Universitario La Paz (Department of General & Digestive Surgery), Instituto de Investigación La Paz (IdiPAZ), Centro de Investigaciones Biomedicas de la Red de Enfermedades Hepaticas y Digestivas (CIBERehd) , Madrid , Spain