[1] Univ Antwerp VIB, Dept Mol Genet, Neurogenet Grp, B-2610 Antwerp, Belgium
[2] Vanderbilt Univ, Med Ctr, Grad Program Neurosci, Nashville, TN USA
[3] Vanderbilt Univ, Med Ctr, Dept Neurol, Nashville, TN USA
[4] Univ Antwerp Hosp, Div Neurol, Antwerp, Belgium
[5] Univ Hosp Gasthuisberg, Div Child Neurol, B-3000 Louvain, Belgium