1. School of Public Health, Division of Environmental Health Sciences, University of California, Berkeley, California, USA
2. Center for Environmental Health Sciences and Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, New Hampshire, USA
3. LaKind Associates, LLC, Catonsville, Maryland, USA
4. Milton S. Hershey Medical Center, Penn State College of Medicine, Hershey, Pennsylvania, USA
5. Department of Epidemiology and Preventive Medicine, School of Medicine, University of Maryland, Baltimore, Maryland, USA
6. Employee Health Services, University of California, Davis, California, USA
7. University of Texas Medical Branch, Galveston, Texas, USA