1. College Research Fellow, Transplantation Research Immunology Group, Nuffield Department of Surgery, University of Oxford
2. Clinical Lecturer and Consultant Plastic and Reconstructive Surgeon, John Radcliffe Hospital, Oxford
3. Specialist Colorectal Surgeon, Jordanian Royal Medical Services, Amman, Jordan
4. Consultant and Senior Lecturer in Surgery, Clinical Services South Bristol, Bristol Royal Infirmary