About the Authors

Majid Ezzati

To whom correspondence should be addressed. E-mail: majid_ezzati@harvard.edu

Affiliations Harvard School of Public Health, Boston, Massachusetts, United States of America , Initiative for Global Health, Harvard University, Cambridge, Massachusetts, United States of America

Ari B Friedman

Affiliation Initiative for Global Health, Harvard University, Cambridge, Massachusetts, United States of America

Sandeep C Kulkarni

Affiliations Initiative for Global Health, Harvard University, Cambridge, Massachusetts, United States of America , University of California, San Francisco, California, United States of America

Christopher J. L Murray

Affiliations Harvard School of Public Health, Boston, Massachusetts, United States of America , Initiative for Global Health, Harvard University, Cambridge, Massachusetts, United States of America , Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ME, ABF, SCK, and CJLM designed the study. SCK collected data for the study. ME, ABF, and SCK analyzed the data. ME and ABF wrote the first draft of the paper. SCK and CJLM contributed to writing the paper.