[1] Epilepsy Ctr Children & Adolescents, Neuropediat Clin, Schon Klin Vogtareuth, Vogtareuth, Germany
[2] Epilepsy Ctr Children & Adolescents, Clin Neurorehabil, Schon Klin Vogtareuth, Vogtareuth, Germany
[3] Univ Hosp Schleswig Holstein, No German Epilepsy Ctr Raisdorf, Kiel, Germany
[4] Univ Hosp Schleswig Holstein, Dept Neuropediat, Kiel, Germany
[5] Univ Naples 2, Clin Child Neuropsychiat, Naples, Italy
[6] Univ Genoa, Muscular & Neurodegenerat Dis Unit, G Gaslini Inst, Genoa, Italy
[7] Karolinska Hosp, Astrid Lindgren Childrens Hosp, S-10401 Stockholm, Sweden