1. Department of Neurology and Developmental MedicineKennedy Krieger Institute Baltimore Maryland
2. Department of NeurologyJohns Hopkins University School of Medicine Baltimore Maryland
3. Department of Psychological and Brain SciencesJohns Hopkins University Baltimore Maryland
4. Department of Medical InformaticsInteractive Autism Network at Kennedy Krieger Baltimore Maryland
5. Department of PediatricsJohns Hopkins University School of Medicine Baltimore Maryland