[1] Kinderzentrum, Maulbronn, Germany
[2] Epilepsiezentrum, Epilepsieklin Kinder & Jugendliche, Kork, Germany
[3] Univ Witten Herdecke, HELIOS Hosp, Dept Pediat, Wuppertal, Germany
[4] UCL, Great Ormond St Hosp, Dept Clin & Expt Epilepsy, London, England
[5] St Naum Univ Hosp Neurol & Psychiat, Clin Child Neurol, Sofia, Bulgaria
[6] Boston Childrens Hosp, Div Epilepsy & Clin Neurophysiol, Boston, MA USA
[7] Bethesda Childrens Hosp, Neurol Dept, Budapest, Hungary
[8] Waldklinikum, Gera, Germany
[9] Univ Florence, A Meyer Childrens Hosp, Child Neurol Unit, Florence, Italy
[10] Epilepsihosp Filadelfia, Danish Epilepsie Ctr, Dianalund, Denmark
[11] Kinderklin Dritter Orden, Munich, Germany
[12] Hosp del Mar, Serv Pediat, Barcelona, Spain
[13] Hosp del Mar, Unidad Epilepsia, Barcelona, Spain
[14] Tech Univ Munich, Klinikum Schwabing, Kinderklin, D-80290 Munich, Germany
[15] Schon Kliniken, Vogtareuth, Germany
[16] Maastricht Univ, Med Ctr, Dept Neurol, Maastricht, Netherlands
[17] Childrens Hosp, Birmingham B16 8ET, W Midlands, England
[18] Univ Kinderklin, Tubingen, Germany
[19] Landeskrankenhaus, Dept Pediat, Bregenz, Austria
[20] Univ Genoa, Inst Gaslini, Genoa, Italy
[21] Arabkir Med Complex, Yerevan, Armenia
[22] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[23] DRK Childrens Hosp, Dept Neuropediat, Siegen, Germany