1. Division of EpidemiologyDepartment of Health Sciences Research College of Medicine Mayo ClinicRochesterMNUSA
2. Department of NeurologyCollege of Medicine, Mayo ClinicRochesterMNUSA
3. Mayo Alzheimer's Disease Research Center, Mayo ClinicRochesterMNUSA
4. Rush Institute for Healthy Aging Rush University Medical CenterChicagoILUSA
5. Department of Internal MedicineRush University Medical CenterChicagoILUSA
6. Department of PsychiatrySchool of Medicine Indiana UniversityIndianapolisINUSA
7. Department of BiostatisticsSchool of Medicine Indiana UniversityIndianapolisINUSA
8. Division of General MedicineDepartment of Medicine School of Medicine University of MichiganAnn ArborMIUSA
9. Veterans Affairs Center for Practice Management and Outcomes ResearchAnn ArborMIUSA
10. Institute for Social Research University of MichiganAnn ArborMIUSA
11. Group Health Research InstituteSeattleWAUSA
12. Kuakini Medical CenterHonoluluHIUSA
13. Department of BiologyChaminade UniversityHonoluluHIUSA
14. Department of PathologySchool of Medicine University of WashingtonSeattleWAUSA