About the Authors

Felicia Wu

few8@pitt.edu

Affiliation Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Hasan Guclu

Affiliation Department of Biostatistics and Public Health Dynamics Laboratory, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FW. Performed the experiments: HG. Analyzed the data: FW HG. Wrote the paper: FW HG.