1. Department of Neurology, Alzheimer's Disease Research CenterUniversity of PittsburghPittsburghPAUSA
2. Department of Psychiatry, Alzheimer's Disease Research CenterUniversity of PittsburghPittsburghPAUSA
3. Pfizer Global Pharmaceuticals, Pfizer IncNew YorkNYUSA
4. Mary S. Easton Center for Alzheimer's Disease ResearchUCLALos AngelesCAUSA
5. McGill Center for Studies in AgingDouglas Mental Health University Institute, Douglas HospitalVerdunQuebecCanada
6. RICE (Research Institute for the Care of Older People)Royal United HospitalBathUnited Kingdom
7. Memory Assessment and Research CentreMoorgreen HospitalSouthamptonUnited Kingdom
8. Memory Disorders Research GroupCopenhagen University Hospital, RigshospitaletCopenhagenDenmark