About the Authors
- Sara Bennett, Sachiko Ozawa
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
- Krishna D. Rao
- Public Health Foundation of India, New Delhi, India
SB is a former staff member of WHO, having left the organization in 2008.
ICMJE criteria for authorship read and met: SB SO KDR. Agree with the manuscript s results and conclusions: SB SO KDR. Wrote the paper: SB.