About the Authors

Donald Freed

Affiliations Program in Biochemistry, Cellular and Molecular Biology, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America, Department of Neurology, Kennedy Krieger Institute, Maryland, United States of America

Jonathan Pevsner

pevsner@kennedykrieger.org

Affiliations Program in Biochemistry, Cellular and Molecular Biology, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America, Department of Neurology, Kennedy Krieger Institute, Maryland, United States of America, Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DF JP. Performed the experiments: DF. Analyzed the data: DF JP. Contributed reagents/materials/analysis tools: DF JP. Wrote the paper: DF JP.