About the Authors

Kenneth Hill

kenneth_hill_1@yahoo.com

Affiliation Harvard Center for Population and Development Studies, Harvard School of Public Health, Cambridge, Massachusetts, United States of America

Danzhen You

Affiliation United Nations Children's Fund, New York, New York, United States of America

Mie Inoue

Affiliation Department of Health Statistics and Information Systems, World Health Organization, Geneva, Switzerland

Mikkel Z. Oestergaard

A listing of the other members of the Technical Advisory Group of the United Nations Inter-agency Group for Child Mortality can be found in the Acknowledgments.

Affiliation Department of Health Statistics and Information Systems, World Health Organization, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interests exist. The views expressed in this paper are those of the authors and do not necessarily reflect the views of the UN IGME agencies and the funding sources.

Author Contributions

Conceived and designed the research: KH DY MI MZO. Analyzed the data: KH DY MI MZO. Contributed reagents/materials/analysis tools: KH DY MI MZO. Wrote the first draft of the manuscript: KH DY MZO. Contributed to the writing of the manuscript: KH DY MI MZO. ICMJE criteria for authorship read and met: KH DY MI MZO. Agree with manuscript results and conclusions: KH DY MI MZO.