About the Authors

Ji-Wu Wang

Affiliation Center for Motor Neuron Biology and Disease, Department of Pathology and Cell Biology, Department of Neuroscience, Columbia University, New York, New York, United States of America

Erin S. Beck

Affiliation Center for Motor Neuron Biology and Disease, Department of Pathology and Cell Biology, Department of Neuroscience, Columbia University, New York, New York, United States of America

Brian D. McCabe

brian@mccabelab.org

Affiliation Center for Motor Neuron Biology and Disease, Department of Pathology and Cell Biology, Department of Neuroscience, Columbia University, New York, New York, United States of America

Competing Interests

Senior author Brian D. McCabe is a PLoS ONE Editorial Board member. This does not alter the authors′ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JW ES BDM. Performed the experiments: JW ES BDM. Analyzed the data: JW ES BDM. Contributed reagents/materials/analysis tools: JW ES BDM. Wrote the paper: BDM.