About the Authors

David A. Sivak

Contributed equally to this work with: David A. Sivak, Matt Thomson

david.sivak@ucsf.edu (DAS); matthew.thomson@ucsf.edu (MT)

Affiliation Center for Systems and Synthetic Biology, University of California, San Francisco, San Francisco, California, United States of America

Matt Thomson

Contributed equally to this work with: David A. Sivak, Matt Thomson

david.sivak@ucsf.edu (DAS); matthew.thomson@ucsf.edu (MT)

Affiliation Center for Systems and Synthetic Biology, University of California, San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAS MT. Performed the experiments: DAS MT. Contributed reagents/materials/analysis tools: DAS MT. Contributed to the writing of the manuscript: DAS MT.