1. Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
2. Department of Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
3. Section of Oncology, Department of Clinical & Experimental Medicine, FHMS, University of Surrey, Guildford, UK
4. Hepato-Pancreato-Biliary (HPB) Surgical Unit, Royal Surrey NHS Foundation Trust, Guildford, UK