1. Gladstone Institute of Neurological Disease, Gladstone Institutes, San Francisco, CA 94158, USA.
2. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
3. Department of Neurology, University of California, San Francisco, San Francisco, CA 94158, USA.
4. Department of Pathology, University of California, San Francisco, San Francisco, CA 94158, USA.
5. Department of Pathology, National Taiwan University Hospital, Taipei City, Taiwan.
6. INSERM UMR 913, Université de Nantes, Nantes, France.
7. Department of Neurology, Medical Faculty, Heinrich-Heine University Duesseldorf, Duesseldorf, Germany.
8. Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94158, USA.
9. Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
10. Department of Pathology, Stanford Medical School, Palo Alto, CA 94305, USA.
11. Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.
12. Center for Human Genetic Research, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
13. Pathology Service, Veterans Affairs Medical Center, San Francisco, CA 94141, USA.