1. Neurology Department, Atkinson Morley Regional Neurosciences Centre, St George’s University Hospitals NHS Foundation Trust, London, UK
2. Faculty of Health, Social Care and Education, Kingston University and St George’s University of London, London, UK
3. Molecular and Clinical Sciences Research Institute, St George’s University of London, London, UK
4. Emergency Department Clinical Research Unit, St George’s University Hospital NHS Foundation Trust, London, UK