About the Authors

Tianyun Liu

Affiliation Department of Genetics, Stanford University, Stanford, California, United States of America

Russ B. Altman

russ.altman@stanford.edu

Affiliations Department of Genetics, Stanford University, Stanford, California, United States of America, Department of Bioengineering, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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