| Affiliation: | 1. Division of Pediatric Cardiology, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland;2. Department of Neurology, Boston Children's Hospital, Boston, Massachusetts;3. Department of Neurogenetics, Kennedy Krieger Institute, Baltimore, Maryland;4. Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland;5. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland;6. Autism & Developmental Institute, Geisinger Health System, Lewisburg, Pennsylvania;7. Johns Hopkins Biostatistics Center, Department of Biostatistics, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland |
