About the Authors

Nicholas Zachar

Affiliation Department of Biology, University of Iowa, Iowa City, Iowa, United States of America

Maurine Neiman

maurine-neiman@uiowa.edu

Affiliation Department of Biology, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NZ MN. Performed the experiments: NZ. Analyzed the data: MN. Contributed reagents/materials/analysis tools: MN. Wrote the paper: MN NZ.