Department of Haematology, Salisbury NHS Foundation Trust, Salisbury, UK. Department of Haematology, Gartnaval General Hospital, Glasgow, UK. Department of Hepatology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK. UCL Institute for Liver and Digestive Health, Royal Free London NHS Foundation Trust and University College, London, UK. Department of Haematology, Plymouth Hospitals NHS Trust, Plymouth, UK.