1. Department of Neurology; Center for Alzheimer's Disease and Related Disorders; Neurosciences Institute; Springfield Illinois USA
2. Department of Pharmacology; Southern Illinois University School of Medicine; Springfield Illinois USA
3. Department of Neuroscience; Center on Aging; Medical University of South Carolina; Charleston South Carolina USA
4. Division of Geriatric Research; Department of Internal Medicine; Southern Illinois University School of Medicine; Springfield Illinois USA