St George's University Hospitals NHS Foundation Trust, London, United Kingdom
University College Hospital, London, United Kingdom
University College London, London, United Kingdom
New Victoria Hospital, London, United Kingdom
University College London Hospital, London, United Kingdom
Leonard Wolfson Experimental Neurology Centre, National Hospital of Neurology and Neurosurgery, UCLH NHS Foundation trust, London, United Kingdom
University College London Hospitals NHS Foundation Trust, London, United Kingdom
Royal Free hospital, Hampstead, London, United Kingdom
University College London, London, Kent, United Kingdom
The Leeds Teaching Hospitals NHS Trust, St James University Hospital, Leeds, United Kingdom
University College London Hospitals NHS Foundation Trust, London, United Kingdom
The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Freeman Hospital, Newcastle Upon Tyne, United Kingdom
University College London Hospital, London, United Kingdom
GP Practices, London, United Kingdom