1. Department of Neurology, Ulm University , Ulm 89081 , Germany
2. Institute of Human Genetics, Ulm University & Ulm University Medical Center , Ulm 89081 , Germany
3. Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), German Center for Neurodegenerative Diseases , Ulm 89081 , Germany
4. 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 13353 , Germany
5. Department of Neurology, Alfried Krupp Hospital , Essen 45131 , Germany
6. Department of Neurology, Medizinische Hochschule Hannover , Hannover 30625 , Germany
7. Precision Neurology, University of Luebeck , Luebeck 23562 , Germany
8. Department of Neurology, University Hospital Bochum , Bochum 44789 , Germany
9. Department of Neurology, Technische Universität Dresden , Dresden 01307 , Germany
10. Department of Neurology, University Hospital Erlangen , Erlangen 91054 , Germany
11. Department of Neurology Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Medicine Essen , Essen 45147 , Germany
12. Department of Neurology, University Medical Center Goettingen , Goettingen 37075 , Germany
13. University Clinic and Polyclinic for Neurology, University Hospital Halle , Halle 06120 , Germany
14. Department of Neurology, University Hospital Jena , Jena 07747 , Germany
15. Department of Neurology, Diako Mannheim , Mannheim 68163 , Germany
16. Department of Neurology, University Hospital Mannheim , Mannheim 68167 , Germany
17. Department of Neurology, Technical University Munich , Munich 80333 , Germany
18. Department of Neurology with Friedrich-Baur-Institute, University Hospital of Ludwig-Maximilians-University , München 80336 , Germany
19. Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), German Center for Neurodegenerative Diseases , Munich 81377 , Germany
20. Department of Neurology, DKD Helios Clinics , Wiesbaden 65191 , Germany
21. Department of Neurology, University Hospital Wuerzburg , Wuerzburg 97080 , Germany
22. Translational Neurodegeneration Section ‘Albrecht Kossel’, University Medical Center Rostock , Rostock 18146 , Germany
23. Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), German Center for Neurodegenerative Diseases , Rostock/Greifswald 17489 , Germany