1. Institute for Drug Discovery, University of Leipzig, 04103 Leipzig, Germany
2. Department of Nuclear Medicine, University of Leipzig, Leipzig 04103, Germany
3. Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, 81377 Munich, Germany
4. German Center for Neurodegenerative Diseases (DZNE), Munich 81377, Germany
5. Munich Cluster for Systems Neurology (SyNergy), Munich 81377, Germany