About the Authors
- Anne C. Spaulding, Ryan M. Seals, Matthew J. Page, Amanda K. Brzozowski
- Rollins School of Public Health of Emory University, Atlanta, Georgia, United States of America
- William Rhodes
- Abt Associates Incorporated, Cambridge, Massachusetts, United States of America
- Theodore M. Hammett
- Abt Associates Incorporated, Hanoi, Vietnam
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ACS. Performed the experiments: RMS. Analyzed the data: ACS RMS MJP AKB WR TMH. Wrote the paper: ACS RMS MJP AKB TMH.