About the Authors
- Brian France
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* E-mail: bfrance@tda.com
Affiliation TDA Research Inc., Wheat Ridge, Colorado, United States of America
- William Bell
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Affiliation TDA Research Inc., Wheat Ridge, Colorado, United States of America
- Emily Chang
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Affiliation TDA Research Inc., Wheat Ridge, Colorado, United States of America
- Trudy Scholten
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Affiliation TDA Research Inc., Wheat Ridge, Colorado, United States of America
Competing Interests
All authors are employees of TDA Research Inc. The funding agency has been declared, this work was supported by the Defense Threat Reduction Agency (DTRA) under contract HDTRA1-12-C-0071. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: BF WB. Performed the experiments: EC TS. Analyzed the data: BF WB. Contributed reagents/materials/analysis tools: EC TS. Wrote the paper: BF WB.