1. Division of Pediatric Neurosurgery; Cincinnati Children's Hospital Medical Center; Cincinnati Ohio U.S.A.
2. Barrow Neurological Institute at Phoenix Children's Hospital; Phoenix Arizona U.S.A.
3. Miami Children's Hospital; Miami Florida U.S.A.
4. Epilepsy Research Group; Institute of Neuroscience and Physiology; The Sahlgrenska Academy at the University of Gothenburg; Gothenburg Sweden
5. Department of Pediatric Neurosurgery; La Timone Children's Hospital; Marseille France