About the Authors

Erik Wright

Affiliation Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America

Kusha Rahgozar

Affiliation Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America

Nicholas Hallworth

Affiliation Biogen-Idec, Cambridge, Massachusetts, United States of America

Stefan Lanker

Affiliation Biogen-Idec, Cambridge, Massachusetts, United States of America

Michael D. Carrithers

carrithers@neurology.wisc.edu

Affiliations Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America, Neurology Service, William Middleton VA, Madison, Wisconsin, United States of America

Competing Interests

The submitted work was funded by an investigator-initiated award to Dr. MDC from Biogen-Idec. Drs. NH and SL are employees of Biogen Idec and receive stock options. 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: EW KR NH SL MDC. Performed the experiments: EW KR MDC. Analyzed the data: EW KR MDC. Contributed reagents/materials/analysis tools: NH SL. Wrote the paper: MDC.