About the Authors

Nancy A. Turner

nturner@rice.edu

Affiliation Department of Bioengineering, Rice University, Houston, Texas, United States of America

Joel L. Moake

Affiliation Department of Bioengineering, Rice University, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NAT. Performed the experiments: NAT. Analyzed the data: NAT. Contributed reagents/materials/analysis tools: NAT. Wrote the paper: NAT JLM.