1. Children’s Environmental Health and Disease Prevention Research Center, Dartmouth College, Hanover, New Hampshire2Department of Epidemiology, Geisel School of Medicine, Dartmouth College, Lebanon, New Hampshire
2. Children’s Environmental Health and Disease Prevention Research Center, Dartmouth College, Hanover, New Hampshire3Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire
3. Children’s Environmental Health and Disease Prevention Research Center, Dartmouth College, Hanover, New Hampshire4Trace Element Analysis Core Laboratory, Department of Earth Sciences, Dartmouth College, Hanover, New Hampshire
4. Children’s Environmental Health and Disease Prevention Research Center, Dartmouth College, Hanover, New Hampshire3Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire5University of North Carolina at Chapel Hill