VITAL - VITamins to Slow ALzheimer's Disease (Homocysteine Study)

New York University Medical Center, New York

Mt. Sinai School of Medicine, New York

Columbia University, New York

University of Rochester Medical Center, Alzheimer's Disease Center, Rochester

University of Pittsburgh, Pittsburgh

University of Pennsylvania, Philadelphia

Georgetown University, Washington D.C.

Howard University, Washington D.C.

Medical University of South Carolina, North Charleston

Emory University, Atlanta

Mayo Clinic, Jacksonville

University of South Florida, Tampa

University of Alabama, Birmingham

University Memory and Aging Center, Case Western Reserve University/University Hospitals of Cleveland, Cleveland

Indiana University, Indianapolis

University of Michigan, Ann Arbor

Northwestern University, Chicago

Rush Presbyterian/St. Lukes Medical Center, Rush Alzheimer's Disease Center, Chicago

University of Texas, Southwestern Medical Center, Dallas

Baylor College of Medicine, Houston

Mayo Clinic, Scottsdale, Scottsdale

Sun Health Research Institute, Sun City

University of Arizona, Arizona Health Sciences Center, Tucson

University of Nevada School of Medicine, Center for Cognitive Aging, Las Vegas

University of Southern California, Los Angeles

University of California, Los Angeles, Los Angeles

University of California, Irvine, Institute for Brain Aging and Dementia, Irvine

Stanford University, Palo Alto

University of California, Davis, Sacramento

Oregon Health and Science University, Oregon Aging and Alzheimer's Disease Center, Portland

University of Washington, Seattle

University of California, San Diego, La Jolla

Yale University, New Haven

Southern Illinois University, Springfield

Brigham and Women's Hospital, Boston

Boston University School of Medicine, Boston

ClinSearch, Kenilworth

Memorial Hospital of Rhode Island, Alzheimer's Disease and Memory Disorder Clinic, Pawtucket