About the Authors

Anne CC Lee

alee6@partners.org

Affiliations Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Boston, Massachusetts, United States of America, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Aruna Chandran

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

Hadley K. Herbert

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

Naoko Kozuki

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

Perry Markell

Affiliation Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Rashed Shah

Affiliations Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Department of Health and Nutrition. Save the Children, Washington (D.C.), United States of America

Harry Campbell

Affiliation Global Health Academy and Centre for Population Health Sciences, The University of Edinburgh Medical School, Edinburgh, Scotland, United Kingdom

Igor Rudan

Affiliation Global Health Academy and Centre for Population Health Sciences, The University of Edinburgh Medical School, Edinburgh, Scotland, United Kingdom

Abdullah H. Baqui

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

Competing Interests

One of the authors (AHB) was an investigator on two of the studies included in the meta-analysis. However, he was not involved in the data abstraction, quality assessment or analysis. The authors otherwise declare no competing interests.

Author Contributions

Conceived and designed the experiments: ACL AHB AC HKH IR. Performed the experiments: ACL NK AC HKH PM RS. Analyzed the data: ACL NK AC HKH PM RS. Wrote the first draft of the manuscript: ACL. Wrote the paper: ACL AC HKH NK PM RS HC IR AHB. ICMJE criteria for authorship read and met: ACL AC HKH NK PM RS HC IR AHB. Agree with manuscript results and conclusions: ACL AC HKH NK PM RS HC IR AHB.