About the Authors

Quynh C. Nguyen

qu.nguyen @neu.edu

Current address: Institute on Urban Health Research, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America

Affiliation Department of Epidemiology, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Andres Villaveces

Affiliations Department of Epidemiology, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, UNC Injury Prevention Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Stephen W. Marshall

Affiliations Department of Epidemiology, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, UNC Injury Prevention Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Jon M. Hussey

Affiliations Department of Maternal and Child Health, UNC Gillings School of Global Public Health, Chapel Hill, North Carolina, United States of America, Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Carolyn T. Halpern

Affiliations Department of Maternal and Child Health, UNC Gillings School of Global Public Health, Chapel Hill, North Carolina, United States of America, Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Charles Poole

Affiliation Department of Epidemiology, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QN AV SM JH CH CP. Analyzed the data: QN. Wrote the paper: QN AV SM JH CH CP.