CIHR (Canadian Institutes for Health Research).

   Société Alzheimer Rive-Sud, Longueuil, Québec.

   Alzheimer Society of Canada.

   Valorisation Recherche Québec (Consortium Cognition et Vieillissement).

   Dr Chertkow is a chercheur national of the FRSQ (Fonds de la recherche en Santé du Québec).

   Dr Jeffrey L. Cummings is supported by an NIA Alzheimer's Disease Center grant (AG 16570),
     an Alzheimer's Disease Research Center of California grant, and the Sidell-Kagan Foundation.

   We are grateful for the support of the staff of the Jewish General Hospital/McGill University
     Memory clinic and the Neuro Rive-Sud/Université de Sherbrooke Memory clinic.

   Special thanks to Luce Hébert RN, for her dedication in collecting clinical data.