1. Comprehensive Epilepsy Center; Department of Neurology; School of Medicine; Yale-New Haven Hospital; Yale University; New Haven Connecticut U.S.A
2. Division of Critical Care Neurology; Columbia University College of Physicians and Surgeons and Medical Center; New York New York U.S.A
3. Department of Neurology; Emory University School of Medicine; Atlanta Georgia U.S.A
4. Department of Neurology; University of Virginia; Charlottesville Virginia U.S.A
5. Division of Neurology; The Hospital for Sick Children; Toronto Ontario Canada
6. Department of Neurology; Epilepsy and Clinical Neurophysiology Services; Massachusetts General Hospital; Boston Massachusetts U.S.A
7. Division of Epilepsy and Clinical Neurophysiology; Boston Children's Hospital; Boston Massachusetts U.S.A
8. Department of Neurology; University of Cincinnati Academic Health Center; Cincinnati Ohio U.S.A
9. Department of Neurology; University of Texas Health Science Center; Houston Texas U.S.A
10. Reference Center for the Treatment of Refractory Epilepsy; Department of Neurology; ULB-Hôpital Erasme; Brussels Belgium