About the Authors

Richard I. Joh

Affiliation School of Physics, Georgia Institute of Technology, Atlanta, Georgia, United States of America

Joshua S. Weitz

jsweitz@gatech.edu

Affiliations School of Physics, Georgia Institute of Technology, Atlanta, Georgia, United States of America, School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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