About the Authors

Robert Hnasko

Robert.Hnasko@ars.usda.gov

Affiliation United States Department of Agriculture (USDA), Agricultural Research Service (ARS), Pacific West Area (PWA), Western Regional Research Center- Foodborne Contaminants Research Unit (WRRC-FCR), Albany, California, United States of America

Cathrin E. Bruederle

Affiliation United States Department of Agriculture (USDA), Agricultural Research Service (ARS), Pacific West Area (PWA), Western Regional Research Center- Foodborne Contaminants Research Unit (WRRC-FCR), Albany, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RMH. Performed the experiments: RMH. Analyzed the data: RMH. Contributed reagents/materials/analysis tools: RMH. Wrote the paper: RMH. Performed experiments with Congo red: CEB.