1. Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration University Medical Center Goettingen Goettingen Germany
2. Max Planck Institute for Experimental Medicine Goettingen Germany
3. Translational and Clinical Research Institute, Faculty of Medical Sciences Newcastle University Newcastle Upon Tyne UK
4. German Center for Neurodegenerative Diseases Tübingen Germany
5. Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293 Bordeaux France
6. CNRS, Institut des Maladies Neurodégénératives, UMR 5293 Bordeaux France
7. Department of Experimental Medical Science, Basal Ganglia Pathophysiology Unit Lund University Lund Sweden