About the Authors

Guangwei Du

Affiliation Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Mechelle M. Lewis

Affiliations Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Michele L. Shaffer

Affiliation Department of Public Health Sciences, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Honglei Chen

Affiliation Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Qing X. Yang

Affiliations Department of Radiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Richard B. Mailman

Affiliations Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Xuemei Huang

Xuemei@psu.edu

Affiliations Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Radiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America, Department of Kinesiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GD QXY RBM XH. Performed the experiments: GD MML QXY XH. Analyzed the data: GD MLS HC. Contributed reagents/materials/analysis tools: GD MML MLS QXY. Wrote the paper: GD MML MLS HC QXY RBM XH.