1. Department of Neurology, The Adelaide and Meath Hospital, Dublin, incorporating the National Children’s Hospital/Tallaght University Hospital, Dublin, Ireland
2. Stroke Service, The Adelaide and Meath Hospital, Dublin, incorporating the National Children’s Hospital/Tallaght University Hospital, Dublin, Ireland
3. Department of Neurology, St Vincent's University Hospital, University College Dublin, Dublin, Ireland
4. Department of Vascular Surgery, The Adelaide and Meath Hospital, Dublin, incorporating the National Children's Hospital/Tallaght University Hospital, Dublin, Ireland
5. Dublin Midlands Hospital Group, Dublin, Ireland
6. Age-Related Health Care Department, The Adelaide and Meath Hospital, Dublin, incorporating the National Children’s Hospital/Tallaght University Hospital, Dublin, Ireland
7. Department of Medicine for the Elderly/Stroke Service, St James's Hospital/Trinity College Dublin, Dublin, Ireland
8. Department of Vascular Surgery, St James's Hospital/Trinity College Dublin, Dublin, Ireland
9. Centre for Advanced Medical Imaging, Department of Radiology, St James's Hospital/Trinity College Dublin, Dublin, Ireland
10. Department of Vascular Surgery, University Department of Surgery, Royal Free Hampstead NHS Trust, London, UK
11. Academic Unit of Neurology, School of Medicine, Trinity College Dublin, Dublin, Ireland
12. Department of Clinical Neurosciences, Royal Free Campus, UCL Institute of Neurology, London, UK
13. Vascular Neurology Research Foundation c/o Department of Neurology, The Adelaide and Meath Hospital, Dublin, incorporating the National Children’s Hospital/Tallaght University Hospital, Dublin, Ireland