1. U.S. Environmental Protection Agency, Office of Policy, Economics, and Innovation, Washington, DC, USA
2. Department of Neurology, Harvard Medical School and Children’s Hospital Boston and
3. Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA
4. Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA
5. U.S. Environmental Protection Agency, Office of Policy, Economics and Innovation, San Francisco, California, USA