About the Authors

Stanley M. Lo

Current address: Program in Biological Sciences, Northwestern University Ventures in Biology Education and Searle Center for Teaching Excellence, Northwestern University, Evanston, Illinois, United States of America

Affiliation Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, United States of America

Kyle A. McElroy

Affiliation Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, United States of America

Nicole J. Francis

francis@mcb.harvard.edu

Affiliation Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SML NJF. Performed the experiments: SML NJF. Analyzed the data: SML NJF. Contributed reagents/materials/analysis tools: SML KAM NJF. Wrote the paper: SML KAM NJF.