About the Authors

Laura N. Vandenberg

Affiliation Biology Department, Center for Regenerative and Developmental Biology, Tufts University, Medford, Massachusetts, United States of America

Claire Stevenson

Affiliation Biology Department, Center for Regenerative and Developmental Biology, Tufts University, Medford, Massachusetts, United States of America

Michael Levin

michael.levin@tufts.edu

Affiliation Biology Department, Center for Regenerative and Developmental Biology, Tufts University, Medford, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LNV CS ML. Performed the experiments: LNV CS. Analyzed the data: LNV CS. Contributed reagents/materials/analysis tools: LNV ML CS. Wrote the paper: ML CS LNV.