About the Authors

Brian K. Lee

bklee@drexel.edu

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

Justin Lessler

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Elizabeth A. Stuart

Affiliations Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BL JL ES. Performed the experiments: BL. Analyzed the data: BL JL ES. Contributed reagents/materials/analysis tools: BL. Wrote the paper: BL JL ES.