[1] Robert Debre Univ Hosp, APHP, Reference Ctr Rare Dis Leukodystrophies, Child Neurol & Metab Disorders Dept, F-75935 Paris, France
[2] Univ Paris 07, F-75013 Paris, France
[3] Inst Natl Sante & Rech Med, UMR 931, CNRS 6247, Genet Reprod & Dev Med Sch, F-63000 Clermont Ferrand, France
[4] Pediat Neurol St Vincent de Paul Hosp, APHP, Reference Ctr Rare Dis Leukodystrophies, F-75014 Paris, France
[5] Auvergne Univ Med Sch, F-63000 Clermont Ferrand, France
[6] Clermont Ferrand Univ Hosp, Dept Paediat, F-63000 Clermont Ferrand, France