1. Department of Medicine (Geriatric Medicine & Neurology)Dalhousie UniversityHalifaxNova ScotiaCanada
2. Department of NeurologyLaval UniversityQuébecQuébeecCanada
3. Department of Medicine (Neurology)University of AlbertaEdmontonAlbertaCanada
4. Department of MedicineUniversity of MontrealMontréalQuébecCanada