[1] LMU Munchen, Klinikum Grosshadern, Dept Neurol, Munich, Germany
[2] GSF Munich, Natl Res Ctr Environm & Hlth, Inst Human Genet, Munich, Germany
[3] LMU Munchen, Klinikum Innenstadt, Clin Cooperat Grp Ophthalmogenet, Munich, Germany
[4] Univ So Denmark, Odense Univ, Dept Anat & Neurobiol, Odense C, Denmark
[5] Univ Frankfurt Klinikum, Pharmazentrum Frankfurt, Frankfurt, Germany
[6] Univ Bern, Inselspital, Dept Neurosurg, CH-3010 Bern, Switzerland