Affiliation: | 1. National Parkinson Foundation International Centre of Excellence, King's College Hospital NHS Foundation Trust, London, UK;2. National Centre of Epidemiology and Centre for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Carlos III Institute of Health, Madrid, Spain;3. King's College London, London;4. United Lincolnshire Hospitals NHS Trust, Lincoln, UK;5. Addenbrooke's Hospital, Cambridge, UK;6. Yeovil Hospital NHS Foundation Trust, Somerset, UK;7. Salford Royal NHS Foundation Trust, Manchester, UK |