1. Department of Epidemiology, Biostatistics, and Occupational Health; McGill University; Montreal QC Canada
2. Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research; Jewish General Hospital; Montreal QC Canada
3. INSERM, CIC 1410; Centre Hospitalier Universitaire de la Réunion; Saint-Pierre France
4. Department of Neurology and Neurosurgery; McGill University; Montreal QC Canada