[1] McGill Univ, Montreal Neurol Inst, Neurogenet Mot Lab, Montreal, PQ H3A 2B4, Canada
[2] McGill Univ, Montreal Childrens Hosp, Ctr Hlth, Div Pediat Neurol,Dept Pediat, Montreal, PQ H3H 1P3, Canada
[3] McGill Univ, Montreal Childrens Hosp, Ctr Hlth, Div Pediat Neurol,Dept Neurol, Montreal, PQ H3H 1P3, Canada
[4] McGill Univ, Montreal Childrens Hosp, Ctr Hlth, Div Pediat Neurol,Dept Neurosurg, Montreal, PQ H3H 1P3, Canada
[5] Univ St Joseph, Fac Med, Unite Genet Med & Lab Associe, INSERM,Unite UMR S 910, Beirut 115076, Riad El Solh, Lebanon
[6] Childrens Natl Med Ctr, Dept Neurol, Washington, DC 20010 USA
[7] Hop Robert Debre, APHP, Reference Ctr Leukodystrophies, F-75019 Paris, France
[8] Univ Paris Diderot, F-75205 Paris 13, France
[9] INSERM, U931, F-63001 Clermont Ferrand, France
[10] INSERM, U676, F-75935 Paris 19, France
[11] Hop Armand Trousseau, AP HP, Serv Neurol Pediat, F-75571 Paris 12, France
[12] Univ Paris 06, UPMC, F-75252 Paris 05, France
[13] Fac Med Timone, INSERM, UMR S 910, F-13385 Marseille, France
[14] Univ Bordeaux, INSERM, IECB, F-33607 Pessac, France
[15] Inst Jerome Lejeune, F-75015 Paris, France
[16] Baylor Res Inst, Inst Metab Dis, Dallas, TX 75226 USA