1. Departments of Critical Care Medicine, Microbiology and Liver Transplantation and Hepatobiliary Medicine, Royal Free Hospital, Hampstead, London, United Kingdom
2. Junior Clinical Fellow, Department of Critical Care Medicine.
3. Specialist Registrar, Department of Critical Care Medicine.
4. Consultant, Department of Microbiology.
5. Consultant, Department of Liver Transplantation and Hepatobiliary Medicine.
6. Professor, Department of Liver Transplantation and Hepatobiliary Medicine.
7. Consultant, Department of Critical Care Medicine.