About the Authors

Krissi M. Hewitt, Scott T. Kelley
Department of Biology, San Diego State University, San Diego, California, United States of America

Charles P. Gerba, Sheri L. Maxwell
Department of Soil, Water and Environmental Science, University of Arizona, Tucson, Arizona, United States of America

Corresponding Author

skelley@sciences.sdsu.edu

Competing Interests

The authors received funding from commercial funder (Clorox Corporation). There are no patents, products in development or marketed products etc. to declare. 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: STK CPG. Performed the experiments: KMH SLM. Analyzed the data: STK KMH SLM. Contributed reagents/materials/analysis tools: STK CPG. Wrote the paper: STK KMH SLM.