1. Mitchell Center for Alzheimer's Disease and Related Brain DisordersDepartment of NeurologyUniversity of Texas Medical School at HoustonHoustonTexasUSA
2. Geriatric Research, Education, and Clinical Center (GRECC)Veterans Affairs Medical Center–St. Louis and Division of GeriatricsDepartment of Internal MedicineSaint Louis University School of MedicineSt. LouisMissouriUSA
3. GRECCVeterans Affairs Puget Sound Health Care System and Division of Gerontology and Geriatric MedicineDepartment of Internal MedicineUniversity of Washington School of MedicineSeattleWashingtonUSA