About the Authors

Melinda E. Lull

Affiliation Department of Anatomy and Neurobiology, Virginia Commonwealth University Medical Campus, Richmond, Virginia, United States of America

Shannon Levesque

Affiliation Department of Anatomy and Neurobiology, Virginia Commonwealth University Medical Campus, Richmond, Virginia, United States of America

Michael J. Surace

Affiliation Department of Anatomy and Neurobiology, Virginia Commonwealth University Medical Campus, Richmond, Virginia, United States of America

Michelle L. Block

mblock@vcu.edu

Affiliation Department of Anatomy and Neurobiology, Virginia Commonwealth University Medical Campus, Richmond, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MLB. Performed the experiments: SL MS ML MLB. Analyzed the data: MLB ML. Contributed reagents/materials/analysis tools: MLB. Wrote the paper: ML MLB MS SL.