[1] Med Genet Ctr MGZ, D-80335 Munich, Germany
[2] Ludwig Maximilians Univ Munchen, Klinikum Univ, Friedrich Baur Inst, Dept Neurol, D-80336 Munich, Germany
[3] Ludwig Maximilians Univ Munchen, Klinikum Univ, Dept Med 4, D-80336 Munich, Germany
[4] Childrens Natl Hosp, Childrens Natl Res Inst, Ctr Genet Med Res, Washington, DC 20010 USA
[5] George Washington Univ, Sch Med & Hlth Sci, Dept Genom & Precis Med, Washington, DC 20037 USA
[6] LMU Klinikum, Friedrich Baur Inst, Dept Neurol, Ziemenssenstr 1, D-80336 Munich, Germany