[1] Univ Vet Med Hannover, Dept Small Anim Med & Surg, D-30559 Hannover, Germany
[2] Ludwig Maximilians Univ Munchen, Ctr Clin Vet Med, D-80539 Munich, Germany
[3] Ludwig Maximilians Univ Munchen, Inst Pharmacol Toxicol & Pharm, D-80539 Munich, Germany
[4] UCL, Inst Neurol, London WC1N 3JD, England
[5] Univ Ghent, Dept Neurol, 4brain, B-9000 Ghent, Belgium
[6] Univ Helsinki, Dept Vet Biosci, Dept Med & Clin Genet, Helsinki 00014, Finland
[7] Univ Helsinki, Folkhalsan Res Ctr, Helsinki 00014, Finland
[8] Univ Vet Med Hannover, Dept Pharmacol Toxicol & Pharm, D-30559 Hannover, Germany
[9] Mayo Clin, Dept Neurol, Rochester, MN 55905 USA
[10] Univ Ghent, Inst Genet, Small Anim Dept, B-9820 Merelbeke, Belgium
[11] IRCCS G Gaslini, I-16147 Genoa, Italy
[12] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[13] PMU Salzburg, Res Inst Rehabil Transit Palliat, A-5020 Salzburg, Austria
[14] Schoen Clin Vogtareuth, Epilepsy Ctr Children & Adolescents, Clin Neuropediat & Neurorehabil, D-83569 Vogtareuth, Germany
[15] Albert Einstein Coll Med, Montefiore Med Ctr, Saul R Korey Dept Neurol,Isabelle Rapin Div Child, Dominick P Purpura Dept Neurosci, Bronx, NY 10461 USA
[16] Univ Ghent, Small Anim Dept, Fac Vet Med, B-9820 Merelbeke, Belgium