1. Stroke Research Centre, Department of Brain Repair and Rehabilitation; University College London Queen Square Institute of Neurology and National Hospital for Neurology and Neurosurgery; London
2. Lysholm Department of Neuroradiology; National Hospital for Neurology and Neurosurgery; London
3. Department of Molecular Neuroscience; University College London Queen Square Institute of Neurology; London
4. Division of Neuropathology; National Hospital for Neurology and Neurosurgery; London
5. Department of Pathology; Cardiff University; Cardiff
6. Barts and London School of Medicine and Dentistry; Queen Mary University of London and Royal London Hospital; London
7. Morriston Hospital; Abertawe Bro Morgannwg University Health Board; Swansea
8. Medical Research Council Prion Unit at University College London; University College London Institute of Prion Diseases; London
9. National Prion Clinic; National Hospital for Neurology and Neurosurgery; London
10. Department of Neurodegenerative Disease; University College London Queen Square Institute of Neurology; London United Kingdom