About the Authors
- Raymond J. Roberge
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* E-mail: dtn0@cdc.gov
Affiliation Technology Research Branch, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, Pennsylvania, United States of America
- Jung-Hyun Kim
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Affiliation Technology Research Branch, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, Pennsylvania, United States of America
- Jeffrey B. Powell
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Affiliation Technology Research Branch, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, Pennsylvania, United States of America
- Ronald E. Shaffer
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Affiliation Technology Research Branch, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, Pennsylvania, United States of America
- Caroline M. Ylitalo
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Affiliation Personal Safety Division, 3M Company, St. Paul, Minnesota, United States of America
- John M. Sebastian
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Affiliation Personal Safety Division, 3M Company, St. Paul, Minnesota, United States of America
Competing Interests
Caroline M. Ylitalo, PhD, and John M. Sebastian, PhD, declare that they are employees of 3M Corporation, St. Paul, MN, a manufacturer of filtering facepiece respirators. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials. Raymond J. Roberge, MD, Jung-Hyun Kim, PhD, Jeffrey B. Powell, MS, and Ronald E. Shaffer, PhD, are U.S. government employees at the National Personal Protective Technology Laboratory, Pittsburgh, PA. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: RR J-HK JBP CMY JMS RES. Performed the experiments: RR J-HK JBP. Analyzed the data: RR J-HK JBP CMY JMS RES. Contributed reagents/materials/analysis tools: RR CMY JMS JBP. Wrote the manuscript: RR J-HK JBP CMY JMS RES.