1. Institute for Stroke and Dementia Research, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany
2. Department of Neurology, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany
3. Eli Lilly and Company, Indianapolis, Indiana
4. Department of Nuclear Medicine, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany
5. Munich Cluster for Systems Neurology, Munich, Germany
6. German Center for Neurodegenerative Diseases, Munich, Germany
7. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Sweden