About the Authors

Jason P. Block

Affiliations Obesity Prevention Program, Department of Population Medicine, Harvard Medical School, Harvard Pilgrim Health Care Institute, Boston, Massachusetts, United States of America, Harvard Center for Population and Development Studies, Harvard T H Chain School of Public Health, Cambridge, Massachusetts, United States of America

S. V. Subramanian

svsubram@hsph.harvard.edu

Affiliations Harvard Center for Population and Development Studies, Harvard T H Chain School of Public Health, Cambridge, Massachusetts, United States of America, Department of Social and Behavioral Sciences, Harvard T H Chan School of Public Health Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: JB. Contributed to the writing of the manuscript: JB SVS. Agree with the manuscript’s results and conclusions: JB SVS. All authors have read, and confirm that they meet, ICMJE criteria for authorship.