1 Neuroscience and Vascular Simulation, School of Medicine, Anglia Ruskin University, Chelmsford, Essex, United Kingdom
2 National Institute for Health Research Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom
3 Clinical Radiology, Queens Medical Center – Nottingham University Hospitals NHS Trust, Nottingham, United Kingdom
4 Chair of Neuroradiology, University of Dundee, Department of Radiology, Ninewells Hospital, Dundee, United Kingdom
5 Cardiovascular Centre, Frankfurt, Germany
6 Department of Cardiac and Vascular Diseases, Institute of Cardiology, Jagiellonian University Medical College, Kraków, Poland; John Paul II Hospital, Kraków, Poland. pmusialek@szpitaljp2.krakow.pl