About the Authors

Stephanie L. Mayne

slm387@drexel.edu

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Drexel University, Philadelphia, Pennsylvania, United States of America

Brian K. Lee

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Drexel University, Philadelphia, Pennsylvania, United States of America

Amy H. Auchincloss

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Drexel University, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SLM BKL AHA. Performed the experiments: SLM. Analyzed the data: SLM. Contributed reagents/materials/analysis tools: AHA BKL. Wrote the paper: SLM AHA BKL.