About the Authors

Christopher A. Brown

Affiliations Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, United States of America, FAS Center for Systems Biology, Harvard University, Cambridge, Massachusetts, United States of America

Kevin S. Brown

brown@physics.ucsb.edu

Affiliations Department of Physics, University of California Santa Barbara, Santa Barbara, California, United States of America, Institute for Collaborative Biotechnologies, University of California Santa Barbara, Santa Barbara, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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