About the Authors
- Emina Begovic
- Department of Molecular and Cell Biology, University of California, Berkeley, California, United States of America
- David R. Lindberg
- Department of Integrative Biology and Museum of Paleontology, University of California, Berkeley, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: EB DRL. Performed the experiments: EB. Analyzed the data: EB DRL. Contributed reagents/materials/analysis tools: EB DRL. Wrote the paper: EB DRL.