1. Developmental/Behavioral Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio;
2. Department of Medical Microbiology and Immunology, University of California, Davis, Davis, California;
3. Pediatrics, University of Maryland, School of Medicine, Baltimore, Maryland;
4. Pediatrics/Pediatric Gastroenterology, University of Arkansas for Medical Sciences, Little Rock, Arkansas;
5. Medical Dietetics, Abbott Laboratories, Columbus, Ohio;
6. Pediatrics, Cincinnati Children’s Hospital, Cincinnati, Ohio;
7. Anatomy and Neurobiology, University of Vermont, Burlington, Vermont;
8. California Institute of Technology, Pasadena, California; and
9. Clinical Programs, Autism Speaks, Los Angeles, California