1. Division of Neurology, Department of Medicine, University of Washington, Seattle, WA 98195.
2. Division of Neurology, Veterans Affairs Medical Center, Seattle, WA 98108.
3. Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195.
4. Department of Laboratory Medicine and Pathology and the Institute of Human Genetics, University of Minnesota, Minneapolis, MN 55455.
5. Department of Psychiatry, University of Minnesota, Minneapolis, MN 55455.
6. Marshfield Medical Research Foundation, Marshfield, WI 54449.
7. National Institute of Neurology and Neurosurgery, Mexico City, Mexico.
8. Department of Neurobiology, Harvard Medical School, Boston, MA 02115.
9. Department of Psychiatry, Washington Institute for Mental Illness Research and Training, Steilacoom, WA 98494-0500.
10. Department of Pathology, University of Washington, Seattle, WA 98195.