About the Authors

Kim K. Appler

Affiliation Wadsworth Center, New York State Department of Health, Albany, New York, United States of America

Ashley N. Brown

Current address: Ordway Research Institute, Albany, New York, United States of America

Affiliations Wadsworth Center, New York State Department of Health, Albany, New York, United States of America, Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, United States of America

Barbara S. Stewart

Affiliations Wadsworth Center, New York State Department of Health, Albany, New York, United States of America, Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, United States of America

Melissa J. Behr

Current address: Wisconsin Veterinary Diagnostic Laboratory, Madison, Wisconsin, United States of America

Affiliations Wadsworth Center, New York State Department of Health, Albany, New York, United States of America, Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, United States of America

Valerie L. Demarest

Affiliation Wadsworth Center, New York State Department of Health, Albany, New York, United States of America

Susan J. Wong

Affiliations Wadsworth Center, New York State Department of Health, Albany, New York, United States of America, Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, United States of America

Kristen A. Bernard

kbernard@vetmed.wisc.edu

Current address: Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Affiliations Wadsworth Center, New York State Department of Health, Albany, New York, United States of America, Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KAB. Performed the experiments: KKA ANB BSS VD. Analyzed the data: KKA MJB SW KAB. Contributed reagents/materials/analysis tools: SW. Wrote the paper: KAB.