Affiliation: | 1. Departments of Neurology and Pediatrics, The Children's Hospital of Philadelphia and the Perelman School of Medicine at the University of Pennsylvania, , Pennsylvania, Philadelphia, U.S.A;2. Departments of Pediatrics and Neurology, Oakland University William Beaumont School of Medicine, , Royal Oak, Michigan, U.S.A;3. Department of Neurology, Children's National Medical Center, , Washington, District of Columbia, U.S.A;4. Division of Neurology, Children's Hospital Colorado and University of Colorado School of Medicine, , Aurora, Colorado, U.S.A;5. Division of Neurology, Duke Children's Hospital and Duke University School of Medicine, , Durham, North Carolina, U.S.A;6. Division of Neurology, Department of Pediatrics Mattel Children's Hospital and UCLA Brain Injury Research Center, Department of Neurosurgery, David Geffen School of Medicine at UCLA, , Los Angeles, California, U.S.A;7. Division of Neurology, Children's Memorial Hospital and Northwestern University Feinberg School of Medicine, , Chicago, Illinois, U.S.A;8. Division of Neurology, The Hospital for Sick Children and University of Toronto, , Toronto, Ontario, Canada;9. Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital and Harvard Medical School, , Boston, Massachusetts, U.S.A;10. Department of Neurology, University of California San Francisco, , San Francisco, California, U.S.A;11. Department of Biostatistics and Epidemiology, Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, , Pennsylvania, Philadelphia, U.S.A;12. Department of Pediatrics, University of Arizona College of Medicine and Barrow's Neurological Institute at Phoenix Children's Hospital, , Phoenix, Arizona, U.S.A |