1. Department of NeurologyJohns Hopkins University School of Medicineand Center for Memory and Brain HealthLifeBridge Health Brain & Spine InstituteBaltimoreMDUSA
2. Johns Hopkins Bloomberg School of Public HealthBaltimoreMDUSA
3. Department of Psychiatry and Behavioral SciencesDuke University Medical CenterDurhamNCUSA
4. Khachaturian & Associates Inc.PotomacMDUSA
5. Department of Nutrition and Food SciencesUtah State UniversityLoganUTUSA
6. Department of Psychology and Center for Epidemiological StudiesUtah State UniversityLoganUTUSA
7. Department of PsychiatryJohns Hopkins Bayviewand Division of Geriatric Psychiatry and NeuropsychiatryJohns Hopkins MedicineBaltimoreMDUSA
8. V. A. Puget Sound Health Care SystemDepartment of PsychiatryUniversity of WashingtonSeattleWAUSA