About the Authors

Vance T. Vredenburg

vancev@sfsu.edu

Affiliations Department of Biology, San Francisco State University, San Francisco, California, United States of America, California Academy of Sciences, San Francisco, California, United States of America, Museum of Vertebrate Zoology Berkeley, Berkeley, California, United States of America

Stephen A. Felt

Affiliation Department of Comparative Medicine, Stanford University, Stanford, California, United States of America

Erica C. Morgan

Affiliation Department of Comparative Medicine, Stanford University, Stanford, California, United States of America

Samuel V. G. McNally

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Sabrina Wilson

Affiliation Department of Comparative Medicine, Stanford University, Stanford, California, United States of America

Sherril L. Green

Affiliation Department of Comparative 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: VTV SAF. Performed the experiments: VTV SAF ECM SVM SSW SLG. Analyzed the data: VTV SAF ECM SVM SSW SLG. Contributed reagents/materials/analysis tools: VTV SAF. Wrote the paper: VTV SAF ECM SVM SSW SLG.