1 Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Venusberg-Campus 1/99, 53127, Bonn, Germany.
2 Clinic for Neuroradiology, University Hospital Bonn, Bonn, Germany.
3 MR Physics, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
4 Department of Physics and Astronomy, University of Bonn, Bonn, Germany.
5 Department of Neuroradiology, University Hospital Frankfurt, Frankfurt, Germany.
6 Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Venusberg-Campus 1/99, 53127, Bonn, Germany. Monique.Breteler@dzne.de.
7 Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Bonn, Germany. Monique.Breteler@dzne.de.