1. Department of Neurology and Neurosurgery McGill University Montreal QCCanada
2. Neuroepidemiology Research Unit Research Institute of the McGill University Health Centre Montreal QCCanada
3. Department of Epidemiology, Biostatistics and Occupational Health McGill University Montreal QCCanada
4. Division of Cardiology McGill University Montreal QCCanada
5. Life Sciences Library McGill University Montreal QCCanada
6. Department of Medicine McGill University Montreal QC Canada