University College London - UCL Cancer Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Leeds Teaching Hospitals NHS Trust, Government of the United Kingdom - Queen Elizabeth Hospital Birmingham, Leeds Teaching Hospitals NHS Trust, affiliation not provided to SSRN, University Hospitals Bristol - University Hospitals Bristol and Weston NHS Foundation Trust, University Hospitals Bristol - University Hospitals Bristol and Weston NHS Foundation Trust, Imperial College London - Hammersmith Hospital, Department of Cancer Medicine, affiliation not provided to SSRN, University of Edinburgh - Western General Hospital, Government of the United Kingdom - Weston Park Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Birmingham, NHS Foundation Trust - Cambridge University Hospitals, Government of the United Kingdom - Queen Elizabeth Hospital Birmingham, Royal Free Hospital, Heidelberg University, University of Southampton, Royal Marsden NHS Foundation Trust, affiliation not provided to SSRN, The University of Manchester and University of Southampton

Grande Ospedale Metropolitano Niguarda - Hepatology and Gastroenterology Unit, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Government of the United Kingdom - Queen Elizabeth Hospital Birmingham, affiliation not provided to SSRN, Center for Biomedical Research in the Liver and Digestive Diseases Network (CIBERehd), affiliation not provided to SSRN, University of Liege, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Pisa - Department of Translational Research on New Technologies in Medicine and Surgery, University of Paris-Saclay, Regione Emilia-Romagna - IRCCS Azienda Ospedaliero-Universitaria di Bologna, affiliation not provided to SSRN, affiliation not provided to SSRN, Instituto de Investigación Sanitaria Hospital "12 de Octubre" - Department of Hepatology/HPB-surgery/Transplantation, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Turin, affiliation not provided to SSRN, affiliation not provided to SSRN, Papa Giovanni XXIII Hospital, Government of the United Kingdom - Queen Elizabeth Hospital Birmingham, University of Paris - Hospital Paul Brousse, affiliation not provided to SSRN, affiliation not provided to SSRN, Université de Tours - CHU de Tours, affiliation not provided to SSRN, affiliation not provided to SSRN, Grande Ospedale Metropolitano Niguarda - Division of Infectious Diseases, Grande Ospedale Metropolitano Niguarda - Division of Infectious Diseases, Università degli Studi di Milano-Bicocca - School of Medicine and Surgery, University of Milano-Bicocca, Hospital Clinic of Barcelona - General & Digestive Surgery Service and affiliation not provided to SSRN