Department of Upper GI Surgery, Oxford University Hospitals, Headington, Oxfordshire, United Kingdom
Oxford University Hospital Trust, Oxford, United Kingdom
Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
University Hospital Coventry, Coventry, Warwickshire, United Kingdom
John Radcliffe Hospital, Oxford, United Kingdom
Oxford University Hospitals NHS Foundation Trust, Oxford, Oxfordshire, United Kingdom
Oxford University Hospitals NHS Foundation Trust, Oxford, Oxfordshire, United Kingdom
Oxford University Hospital - NHS Trust, Oxford, United Kingdom
Churchill Hospital, Oxford, United Kingdom
John Radcliffe Hospital, Oxford, Oxfordshire, United Kingdom