About the Authors

Robert K. Bradley

Affiliation Biophysics Graduate Group, University of California, Berkeley, California, United States of America

Ian Holmes

indiegram@postbox.biowiki.org

Affiliations Biophysics Graduate Group, University of California, Berkeley, California, United States of America, Department of Bioengineering, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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