About the Authors
- Barbara P. Nash
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* E-mail: barb.nash@utah.edu
Affiliation Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America
- Michael E. Perkins
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: BN. Performed the experiments: BN. Analyzed the data: BN MP. Contributed reagents/materials/analysis tools: BN MP. Wrote the paper: BN.