Professor of Neurology, Calgary Stroke Program, University of Calgary, Canada
Director Stroke Unit Department of Neurology, Inselspital, University Hospital Bern, Switzerland.
Professor of Clinical Neurology & Neurosurgery, University of Miami & Jackson Memorial Hospitals, USA
Professor of Neurology, Cumming School of Medicine, University of Calgary, Canada.
Department of Neurology, University Medical Center Hamburg-Eppendorf, Germany