[1] Hop Enfants La Timone, AP HM, Dept Med Genet, Marseille, France
[2] Univ Aix Marseille 2, Fac Med Timone, Inserm UMR S 910, Marseille, France
[3] Hosp Donostia, Serv Neurol, San Sebastian, Basque Country, Spain
[4] Hosp Donostia, Unidad Expt, San Sebastian, Basque Country, Spain
[5] Univ Halle Wittenberg, Dept Neurol, D-4010 Halle, Germany
[6] Newcastle Univ, Ctr Life, Inst Human Genet, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[7] Hosp Virgen del Camino, Serv Anat Patol, Pamplona, Spain
[8] Hop Cochin, Lab Biochim Genet, F-75674 Paris, France
[9] CHUV, Dept Pediat, Neuropediat Unit, Lausanne, Switzerland
[10] CHUV, Inst Univ Pathol, Lausanne, Switzerland
[11] CHUV, Serv Genet Med, Lausanne, Switzerland
[12] UCSF, San Francisco, CA USA
[13] Hop Marin, AP HP, Hendaye, France