About the Authors
Laboratory of Molecular Biology, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, United States of America
Department of Neurology, Northwestern University School of Medicine, Chicago, Illinois, United States of America
The authors have declared that no competing interests exist.
RK and WWC conceived and designed the experiments. RK and WWC performed the experiments. RBA contributed reagents/materials/analysis tools. RK and RDGM analyzed the data and wrote the paper.