About the Authors

Jose Rafael Morillo Prado

Affiliation Department of Developmental Biology, School of Medicine, Stanford University, Stanford, California, United States of America

Xin Chen

Affiliation Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America

Margaret T. Fuller

mtfuller@stanford.edu

Affiliation Department of Developmental Biology, School of Medicine, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRMP XC MTF. Performed the experiments: JRMP. Analyzed the data: JRMP. Contributed reagents/materials/analysis tools: JRMP XC. Wrote the paper: JRMP MTF.