About the Authors

Oscar Westesson

Affiliation Department of Bioengineering, University of California Berkeley, Berkeley, California, United States of America

Ian Holmes

ihh@berkeley.edu

Affiliation Department of Bioengineering, University of California Berkeley, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OW IH. Performed the experiments: OW. Analyzed the data: OW. Wrote the paper: OW.