Affiliation: | a NIHR Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom b Nuffield Department of Surgery, University of Oxford, Oxford, United Kingdom c Department of Neurology, Saarland University, Homburg, Germany d Department of Neurology, Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg e Department of Radiology, Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg f Department of Paediatric Cardiology, Oxford Radcliffe Hospital National Health Service Trust, Oxford, United Kingdom g Cardiovascular Center, Frankfurt, Germany h Department of Neurosurgery, State University of New York, Buffalo, NY i Department of Radiology, University of Massachusetts, Worcester, MA |