About the Authors

Amar J. Mehta

amehta@hsph.harvard.edu

Affiliation Exposure, Epidemiology and Risk Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Itai Kloog

Affiliations Exposure, Epidemiology and Risk Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America, The Department of Geography and Environmental Development, Ben-Gurion University of the Negev, Beer Sheva, Israel

Antonella Zanobetti

Affiliation Exposure, Epidemiology and Risk Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Brent A. Coull

Affiliation Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, United States of America

David Sparrow

Affiliations The VA Normative Aging Study, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, United States of America, The Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, United States of America

Pantel Vokonas

Affiliations The VA Normative Aging Study, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, United States of America, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, United States of America

Joel Schwartz

Affiliations Exposure, Epidemiology and Risk Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America, The Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJM DS PSV JS. Analyzed the data: AJM. Contributed reagents/materials/analysis tools: AJM IK AZ BC. Wrote the paper: AJM IK. Interpretation of data analysis: AJM IK AZ BC DS PSV JS. Critical revision of manuscript: AJM IK AZ BC DS PSV JS. Supervised and obtained funding for the study: JS.