About the Authors

Vanessa Matos-Cruz

Affiliations Department of Embryology, Carnegie Institution for Science, Baltimore, Maryland, United States of America, Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America

Joseph Blasic

Affiliation Department of Biological Sciences, University of Maryland, Baltimore County, Baltimore, Maryland, United States of America

Benjamin Nickle

Affiliation Department of Biological Sciences, University of Maryland, Baltimore County, Baltimore, Maryland, United States of America

Phyllis R. Robinson

Affiliation Department of Biological Sciences, University of Maryland, Baltimore County, Baltimore, Maryland, United States of America

Samer Hattar

halpern@ciwemb.edu (MEH); shattar@jhu.edu (SH)

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

Marnie E. Halpern

halpern@ciwemb.edu (MEH); shattar@jhu.edu (SH)

Affiliations Department of Embryology, Carnegie Institution for Science, Baltimore, Maryland, United States of America, Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VM-C PRR SH MEH. Performed the experiments: VM-C JB BN. Analyzed the data: VM-C JB BN PRR SH MEH. Contributed reagents/materials/analysis tools: VM-C JB BN. Wrote the paper: VM-C PRR SH MEH.