1. Department of Biostatistics, School of Public Health, University of Alabama at Birmingham
2. Department of Medicine, School of Medicine, University of Vermont, Burlington
3. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
4. Department of Medicine, School of Medicine, University of Alabama at Birmingham
5. Department of Epidemiology, School of Public Health, University of Alabama at Birmingham
6. Department of Neurology, Medical University of South Carolina, Charleston
7. Cognitive Neuroscience Division, Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, New York
8. Department of Neurology, University of Cincinnati Academic Health Center, Cincinnati, Ohio