About the Authors

Veela Mehta

Affiliation Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America

Wei Pei

Affiliation Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America

Grant Yang

Affiliation Department of Radiology, The Ohio State University, Columbus, Ohio, United States of America

Suyang Li

Affiliation Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America

Eashwar Swamy

Affiliation Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America

Aaron Boster

Affiliation Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America

Petra Schmalbrock

Affiliation Department of Radiology, The Ohio State University, Columbus, Ohio, United States of America

David Pitt

david.pitt@yale.edu

Affiliations Department of Neurology, The Ohio State University, Columbus, Ohio, United States of America, Department of Neurology, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Competing Interests

DP has received funding from Five Prime, Biogen Idec, Novartis and Teva Pharmaceuticals for investigator-initiated trials. He also received consulting fees from Biogen Idec. AB has received research grants from Biogen Idec, Novartis, Actillion, Accorda and MerckSerono. He has also received consulting fees from Biogen Idec, Genzyme, Teva Neuroscience, Novartis, MerckSerono and Metronics. 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: DP VM PS. Performed the experiments: VM WP PS DP. Analyzed the data: VM WP GY SL ES PS AB DP. Contributed reagents/materials/analysis tools: DP AB. Wrote the paper: DP VM PS.