1. Department of Paediatric Neurology; Red Cross War Memorial Children's Hospital; Neuroscience Institute, University of Cape Town; Cape Town South Africa
2. Department of Neurology, Neurosurgery and Genetics; Russian National Research Medical University and Moscow Research and Clinical Center for Neuropsychiatry; Moscow Russia
3. Epilepsy Southwestern Ontario; Western University; International Bureau for Epilepsy; London Ontario Canada
4. Developmental Neurosciences Programme; UCl Great Ormond Street Institute of Child health; London U.K
5. Young Epilepsy; Lingfield U.K
6. Department of Internal Medicine and Therapeutics; University of Pavia; Pavia Italy
7. Clinical Trial Center; C. Mondino National Neurological Institute; Pavia Italy