1. Department of Neurology University of Ulm Ulm Germany
2. German Center for Neurodegenerative Diseases Ulm Germany
3. Institute of Epidemiology and Medical Biometry University of Ulm Ulm Germany
4. Department of Clinical and Health Psychology, Institute of Education and Psychology University of Ulm Ulm Germany
5. Université de Strasbourg Inserm, UMR‐S1118, Centre de Recherches en biomédecine de Strasbourg Strasbourg France
6. Division of Neurodegeneration, Department of Neurology, Mannheim Center for Translational Neurosciences, Medical Faculty Mannheim Heidelberg University Mannheim Germany
7. Department of Neurology Hannover Medical School Hannover Germany
8. Department of Neurology, Center for ALS and other Motor Neuron Disorders Charité–Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
9. Department of Neurology University Clinic Schleswig‐Holstein, Campus Lübeck Lübeck Germany
10. Department of Neurology DKD HELIOS Klinik Wiesbaden Wiesbaden Germany
11. Department of Neurology University Hospital Münster Münster Germany
12. Department of Neurology University Hospital Halle Halle Germany
13. Translational Neurodegeneration Section “Albrecht Kossel,” Department of Neurology University Medical Center Rostock Rostock Germany
14. German Center for Neurodegenerative Diseases, Rostock/Greifswald Rostock Germany
15. Department of Neurology University of Würzburg Würzburg Germany
16. Department of Neurology Rostock University Medical Center Rostock Germany
17. Department of Neurology Technical University Munich Munich Germany
18. Department of Neurology Alfried Krupp Hospital Essen Germany
19. Luxembourg Center for Systems Biomedicine University of Luxembourg Belval Luxembourg
20. Neurology BG Hospital Murnau Murnau Germany
21. Department of Neurology University Hospital of Göttingen Göttingen Germany