About the Authors

Stephen C Resch

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

Affiliation Department of Health Policy and Management, Harvard School of Public Health, Harvard University, Boston, Massachusetts, United States of America

Joshua A Salomon

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

Megan Murray

Affiliations Department of Epidemiology, Harvard School of Public Health, Harvard University, Boston, Massachusetts, United States of America , Division of Social Medicine and Health Inequalities, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Milton C Weinstein

Affiliations Department of Health Policy and Management, Harvard School of Public Health, Harvard University, Boston, Massachusetts, United States of America , Division of Social Medicine and Health Inequalities, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SCR, JAS, MM, and MCW designed the study. JAS, MM, and MCW provided study supervision. SCR and MM acquired data. SCR, JAS, MM, and MCW analyzed the data and provided statistical expertise. MCW provided administrative, technical, and material support. SCR and MCW drafted the manuscript. SCR, JAS, MM, and MCW critically revised the manuscript for important intellectual content.