About the Authors

Daniel E. Ross

Current address: National Energy Technology Laboratory (NETL), Pittsburgh, Pennsylvania, United States of America

Affiliation Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, United States of America

Christopher W. Marshall

Current address: Argonne National Laboratory, Lemont, Illinois, United States of America

Affiliation Department of Microbiology & Immunology, Marine Biomedicine & Environmental Science Center, Medical University of South Carolina, Charleston, South Carolina, United States of America

Harold D. May

Affiliation Department of Microbiology & Immunology, Marine Biomedicine & Environmental Science Center, Medical University of South Carolina, Charleston, South Carolina, United States of America

R. Sean Norman

rsnorman@mailbox.sc.edu

Affiliation Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DER CWM HDM RSN. Performed the experiments: DER CWM RSN. Analyzed the data: DER CWM RSN. Contributed reagents/materials/analysis tools: DER CWM HDM RSN. Wrote the paper: DER CWM HDM RSN.