About the Authors

Zhen He

zhen.he@fda.hhs.gov

Affiliations Division of Neurotoxicology, National Center for Toxicological Research, Food and Drug Administration, Jefferson, Arkansas, United States of America, Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America

Sherry A. Ferguson

Affiliation Division of Neurotoxicology, National Center for Toxicological Research, Food and Drug Administration, Jefferson, Arkansas, United States of America

Li Cui

Affiliation Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America

L. John Greenfield Jr

Affiliation Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America

Merle G. Paule

Affiliation Division of Neurotoxicology, National Center for Toxicological Research, Food and Drug Administration, Jefferson, Arkansas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZH LC. Performed the experiments: ZH LC. Analyzed the data: ZH LC. Contributed reagents/materials/analysis tools: ZH LC. Wrote the paper: ZH LC SAF LJG MGP. Advised ZH: SAF LJG MGP. Revised the manuscript: LC.