http://orcid.org/0000-0003-0406-1858
About the Authors
- Karen S. Hamrick
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Contributed equally to this work with: Karen S. Hamrick, Margaret Andrews
* E-mail: khamrick@ers.usda.gov
Affiliation Economic Research Service, U.S. Department of Agriculture, Washington, DC, United States of America
- Margaret Andrews
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Contributed equally to this work with: Karen S. Hamrick, Margaret Andrews
Affiliation Economic Research Service, U.S. Department of Agriculture, Washington, DC, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MA. Performed the experiments: MA KSH. Analyzed the data: MA KSH. Contributed reagents/materials/analysis tools: KSH. Wrote the paper: KSH. Designed and performed robustness testing: KSH. Extracted, linked, and managed the data: KSH.