Affiliations: Friedrich-Baur-Institute, Department of Neurology, Ludwig Maximilians University Munich, Munich, Germany
Note: [] Correspondence to: Benedikt Schoser, Friedrich-Baur-Institute, Department of Neurology, Ludwig Maximilians University Munich, Ziemssenstr. 1a, 80336 Munich, Germany. E-mail: bschoser@med.uni-muenchen.de