About the Authors

Stephen T. Spagnol

Affiliation Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, Pennsylvania, 15213, United States of America

Kris Noel Dahl

krisdahl@cmu.edu

Affiliations Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, Pennsylvania, 15213, United States of America, Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, Pennsylvania, 15213, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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