Biomarkers of environmental toxicity and susceptibility in autism☆

a Institute of Chronic Illnesses, Inc., Silver Spring, Maryland, USA b CoMeD, Inc., Silver Spring, Maryland, USA c Autism Treatment Center, Dallas, Texas, USA d University of Texas Southwestern Medical Center, Dallas, Texas, USA e Arizona State University, Tempe, Arizona, USA f Vitamin Diagnostics, Cliffwood Beach, New Jersey, USA g Laboratoire Philippe Auguste, Paris, France h The Genetic Centers of America, Silver Spring, Maryland, USA