1. Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, Dallas, Texas.
2. Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, Texas.
3. Berman Laboratory for Learning and Memory, Center for BrainHealth, School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, Texas.
4. Department of Neurology, Washington University, St. Louis, Missouri.
5. Department of Physiology and Pharmacology, State University of New York-Downstate Medical Center, Brooklyn, New York.
6. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland.
7. Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas.
8. Center for Neuroscience and Regenerative Medicine, Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, Maryland.