[1] Tech Univ Munich, Dept Neurol, Ismaninger Str 22, D-81675 Munich, Germany
[2] Tech Univ Munich, TUM Neuroimaging Ctr, Munich, Germany
[3] Univ Munich, Dept Stat, Munich, Germany
[4] Tech Univ Munich, Dept Neuroradiol, Munich, Germany
[5] Munich Cluster Syst Neurol, Munich, Germany