1. From the Multimodal Neuroimaging Group (H.T., G.N.B., A.D., T.v.E.), Department of Nuclear Medicine, and Department of Neurology (H.T., T.v.E.), Faculty of Medicine and University Hospital Cologne, University of Cologne; Molecular Organization of the Brain (G.N.B., A.D.), Institute for Neuroscience and Medicine (INM-2), Forschungszentrum J̈lich; Department of Neurology (N.B.), Faculty of Medicine and University Hospital Schleswig Holstein (Lübeck), University of Lübeck; Institute of Clinical...