1. Department of Neurology University Hospital Heidelberg Heidelberg Germany
2. German Center for Neurodegenerative Diseases (DZNE) Venusberg‐Campus 1 Bonn Germany
3. Institute of Statistics Ulm University Helmholtzstr. 20 Ulm 89081 Germany
4. INSERM, Institute Pierre Louis de Santé Publique, AP‐HP, Pitié‐Salpêtrière University Hospital Sorbonne University Paris France
5. Department of Medical Biometry, Informatics and Epidemiology, Medical Faculty University of Bonn Venusberg‐Campus 1 Bonn D‐53127 Germany
6. Department of Neurology University Hospital of Bonn Bonn Germany