1. Department of Neurology, University of Ulm, Ulm, Germany
2. Department of Neurology, University of Ulm, Ulm, Germany Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Ulm, Germany
3. Department of Neurology, University of Ulm, Oberer Eselsberg 45, 89081 Ulm, Germany
4. Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Ulm, Germany