1. DZNE, German Center for Neurodegenerative Diseases, Rostock, Germany
2. MMIS group, University of Rostock, Rostock, Germany
3. Department of Physics and Medical Technology, VU University Medical Center, Amsterdam, Netherlands
4. Department of Geriatric Psychiatry, Zentralinstitut für Seelische Gesundheit Mannheim, University of Heidelberg, Mannheim, Germany
5. Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University Vita-Salute San Raffaele, Milano, Italy
6. DZNE, German Center for Neurodegenerative Diseases, Magdeburg, Germany
7. Department of Radiology, University of Rostock, Rostock, Germany
8. Department of Psychiatry and Psychotherapy, Freiburg Brain Imaging, University Clinic Freiburg, Freiburg, Germany
9. Department of Psychosomatic Medicine, University Medicine Rostock, Rostock, Germany