1. The Earth Institute, and
2. Mailman School of Public Health, Columbia University, New York, New York, USA
3. Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA
4. University of Massachusetts Medical School, Worcester, Massachusetts, USA
5. Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, USA
6. Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
7. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA