1. Division of Epilepsy and Clinical Neurophysiology and Epilepsy Genetics Program, Department of Neurology Boston Children's Hospital Boston Massachusetts USA
2. Department of Pediatrics School of Medicine, Children's Hospital Colorado, University of Colorado Aurora Colorado USA
3. Epilepsy Center, Neurological Institute Cleveland Clinic Cleveland Ohio USA
4. Department of Pediatric Neurology Washington University School of Medicine St. Louis Missouri USA
5. Division of Child Neurology, Children's Hospital of Philadelphia, Departments of Neurology and Pediatrics, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
6. Division of Pediatric Neurology David Geffen School of Medicine and UCLA Mattel Children's Hospital Los Angeles California USA
7. Department of Pediatrics and Neurology Baylor College of Medicine, Texas Children's Hospital, Houston Houston Texas USA
8. Department of Neurology Boston Children's Hospital, Harvard Medical School Boston Massachusetts USA