1. College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
2. Department of Neurology, Cork University Hospital, Cork, Ireland
3. Wolfson Centre for Prevention of Stroke and Dementia, Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
4. Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK
5. Department of Neurology, St. John's of God Hospital, Vienna Austria
6. Department of Neurosciences (Neurology), Hospital de Santa Maria, University of Lisbon, Lisboa, Portugal