1. Children’s Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, USA
2. Department of Biological Sciences, and
3. These authors contributed equally to this work.
4. Trace Element Analysis Laboratory, Department of Earth Sciences, Dartmouth College, Hanover, New Hampshire, USA
5. Department of Epidemiology and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA
6. Department of Pharmacology and Toxicology, University of Arizona, Tuscon, Arizona, USA