1. Bloomfield Centre for Research in AgingLady Davis Institute for Medical ResearchSir Mortimer B. Davis Jewish General Hospital (Department of Clinical Neuroscience)McGill UniversityMontrealQuebecCanada
2. Division of Geriatric MedicineDepartment of MedicineSir Mortimer B. Davis Jewish General HospitalMcGill UniversityMontrealQuebecCanada
3. Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada
4. Centre de rechercheInstitut Universitaire de Gériatrie de MontréalMontrealQuebecCanada