1. Department of Neurology Center for ALS, SMA and other Motor Neuron Disorders Charité—Universitätsmedizin Berlin Berlin Germany
2. Ambulanzpartner Soziotechnologie APST GmbH Berlin Germany
3. Department of Neurology University of Ulm Ulm Germany
4. Department of Neurology Universitätsklinikum Essen Essen Germany
5. Department of Neurology Technische Universität DresdenUniversitätsklinikum Carl Gustav Carus Dresden Germany
6. German Center for Neurodegenerative Diseases (DZNE) Research Site Dresden Dresden Germany
7. Department of Neurology Hannover Medical School Hannover Germany
8. Department of Neurology Heidelberg University Hospital Heidelberg Germany
9. Hans Berger Department of Neurology Jena University Hospital Jena Germany
10. Department of Neurology Center for ALS and other Motor Neuron Disorders Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil Bochum Germany
11. Department of Neurology Universitätsmedizin Göttingen Göttingen Germany
12. German Center for Neurodegenerative Diseases (DZNE) Research Site Ulm Ulm Germany