1. Department of NeurologyFramingham Heart Study, Boston University School of MedicineBostonMAUSA
2. Framingham Heart Study, National Heart, Lung, and Blood InstituteFraminghamMAUSA
3. Department of BiostatisticsBoston University School of Public HealthBostonMAUSA
4. Rush Institute on Healthy Aging, Rush University Medical CenterChicagoILUSA
5. Department of Internal MedicineRush University Medical CenterChicagoILUSA
6. Rush Alzheimer's Disease Center, Rush University Medical CenterChicagoILUSA
7. Department of Neurological SciencesRush University Medical CenterChicagoILUSA
8. Department of Behavioral SciencesRush University Medical CenterChicagoILUSA
9. Department of NeurologyCollege of Medicine, Mayo ClinicRochesterMNUSA
10. Mayo Alzheimer's Disease Research Center, Mayo ClinicRochesterMNUSA
11. Division of Epidemiology, Department of Health Sciences ResearchCollege of Medicine, Mayo ClinicRochesterMNUSA
12. Department of NeurologyUniversity of CaliforniaIrvineCAUSA
13. Institute for Memory Impairments and Neurological Disorders, University of CaliforniaIrvineCAUSA
14. Department of Neurobiology and BehaviorUniversity of CaliforniaIrvineCAUSA
15. Department of Psychiatry and Behavioral SciencesDuke University Medical CenterDurhamNCUSA
16. Division of General Medicine, Department of MedicineSchool of Medicine, University of MichiganAnn ArborMIUSA
17. Veterans Affairs Center for Practice Management and Outcomes ResearchAnn ArborMIUSA
18. Institute for Social Research, University of MichiganAnn ArborMIUSA
19. Department of NeurologyKeck School of Medicine, University of Southern CaliforniaLos AngelesCAUSA