1. Epilepsy Center; University Hospital Freiburg; Freiburg Germany
2. Epilepsy Center Kork; Kehl-Kork Germany
3. Department of Neuropediatrics and Metabolic Disease; University Children's Hospital; Heidelberg Germany
4. Department of Neuropediatrics; University Medical Center Schleswig-Holstein; Kiel Germany
5. Division of Neuropediatrics and Muscular Disorders; Department of Pediatrics and Adolescent Medicine; University of Freiburg; Freiburg Germany
6. Department of Neurosurgery; University Hospital Freiburg; Freiburg Germany