1. Utrecht Stroke Center, Departments of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center, Utrecht, The Netherlands
2. Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, The Netherlands
3. Department of Brain Repair and Rehabilitation, Institute of Neurology, University College, London, UK
4. Vascular Surgery, University Medical Center, Utrecht, The Netherlands
5. Radiology, University Medical Center, Utrecht, The Netherlands