Professor of Neurology, Calgary Stroke Program, University of Calgary, Canada
Professor, University of Ottawa, Canada
Senior Scientist, Ottawa Hospital Research Institute, Canada
Stroke Neurologist, The Ottawa Hospital, 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
Professor of Neurology
Yale School of Medicine, USA
Associate Professor National University of Singapore, Singapore