1. Centre for Prevention of Stroke and Dementia, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
2. Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
3. Stroke Unit, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
4. Paediatric Haematology and Oncology Service, Children’s Hospital-Oxford University Hospital Foundation Trust, Oxford, UK
5. Pediatric Haematology and Oncology Service, Dipartimento della Donna e del Bambino, Padua University, Padova, Italy
6. Ultrasonic Angiology Department, Guy’s & St Thomas’ NHS Foundation Trust, London, UK