1. Department of Medicine
2. Department of Neurology, and
3. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland 21201
4. Department of Neurology, Veterans Affairs Medical Center, Baltimore, Maryland 21201
5. Department of Biostatistics, University of Washington, Seattle, Washington 98195
6. Center for Inherited Disease Research, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224
7. Department of Neurology, Mayo Clinic, Jacksonville, Florida 32224
8. Department of Neurology, Mayo Clinic, Rochester, Minnesota 55905
9. Laboratory of Neurogenetics, National Institute of Aging and
10. National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892
11. Center for Public Health Genomics
12. Department of Public Health Sciences, and
13. Department of Neurology, University of Virginia, Charlottesville, Virginia 22908
14. Center for Human Genetic Research and
15. Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts 02114
16. Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts 02142