1 Department of Neurology, University Hospital Schleswig-Holstein, Campus LübeckRatzeburger Allee 160, 23538, Lübeck, Germany. christoph.helmchen@neuro.uni-luebeck.de.
2 Center of Brain, Behavior and Metabolism (CBBM), University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany. christoph.helmchen@neuro.uni-luebeck.de.
3 Department of Neurology, University Hospital Schleswig-Holstein, Campus LübeckRatzeburger Allee 160, 23538, Lübeck, Germany.
4 Center of Brain, Behavior and Metabolism (CBBM), University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
5 CIBM Center for BioMedical Imaging, CH-1015, Lausanne, Switzerland.
6 Radiology Department, Centre Hospitalier Universitaire Vaudois and University of Lausanne, CH-1011, Lausanne, Switzerland.
7 Signal Processing Laboratory (LTS5), School of Engineering, École Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland.
8 Institute of Psychology II, University Lübeck, Lübeck, Germany.