About the Authors

James J. Cody

Affiliation Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

James M. Markert

Affiliation Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Douglas R. Hurst

dhurst@uab.edu

Affiliation Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Competing Interests

James Markert maintains a consulting relationship with Catherex, Inc., and is a co-founder and stockholder. The authors also confirm the competing interest that Dr. James Markert maintains a consulting relationship with Catherex, Inc., and is a co-founder and shareholder. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JJC JMM DRH. Performed the experiments: JJC. Analyzed the data: JJC JMM DRH. Contributed reagents/materials/analysis tools: JJC JMM DRH. Wrote the paper: JJC JMM DRH.