About the Authors

Brian L. Cook

Affiliation Department of Biological Engineering and Center for Biomedical Engineering NE47-379, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Karin E. Ernberg

Affiliation Department of Biological Engineering and Center for Biomedical Engineering NE47-379, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Hyeyoun Chung

Affiliation Department of Biological Engineering and Center for Biomedical Engineering NE47-379, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Shuguang Zhang

shuguang@mit.edu

Affiliation Department of Biological Engineering and Center for Biomedical Engineering NE47-379, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BLC SZ. Performed the experiments: BLC KEE HC. Analyzed the data: BLC KEE HC SZ. Contributed reagents/materials/analysis tools: BLC. Wrote the paper: BLC SZ.