1. Division of Basic Medical Sciences, Southwest College of Naturopathic Medicine, Tempe, AZ 85282, USA
2. Department of Pediatric Medicine, Southwest College of Naturopathic Medicine, Tempe, AZ 85282, USA
3. Autism Research Institute, San Diego, CA 92116-2599, USA
4. Center for Integrative Pediatric Medicine, Tucson, AZ 85711, USA
5. Department of Mathematics, Whittier College, Whittier, CA 90601-4413, USA
6. International Child Development Resource Center, Phoenix, AZ, USA
7. Department of Pediatrics, Tulane University School of Medicine, New Orleans, LA 70112, USA