1. Liver Unit/Division of Integrative Systems Medicine and Digestive Disease, Faculty of Medicine, St Mary’s Hospital Campus, Imperial College London, London, UK
2. Consultant Hepatologist, Liver Unit/Division of Integrative Systems Medicine and Digestive Disease, Faculty of Medicine, St Mary’s Hospital Campus, Imperial College London, London, UK
3. Reader and Honorary Consultant, Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK