1. The Royal Free Sheila Sherlock Liver Centre, The Royal Free Hospital and UCL Institute for Liver and Digestive Health, UCL London, London, UK
2. University Clinic for Visceral Surgery and Medicine, Inselspital, Bern and Hepatology, Department of Clinical Research, University of Bern, Bern, Switzerland
3. University Medical Center, I. Medical Department, Johannes Gutenberg University, Mainz, Germany
4. Istituto Nazionale Tumori (National Cancer Institute) IRCCS Foundation, Milan, Italy
5. Division of Internal Medicine, Department of Digestive Disease and Internal Medicine, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
6. Department of Medical Oncology, Institut Paoli-Calmettes, Marseille, France
7. Liver Unit, Clinica Universidad de Navarra, and Centro de Investigacion Biomedica en Red de Enfermedades Hepaticas y Digestivas (CIBERehd), Pamplona, Spain