1. 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
2. Ambulanzpartner Soziotechnologie APST GmbH, Berlin, Germany
3. Department of Neurology, Center for ALS and other Motor Neuron Disorders, Alfried Krupp Krankenhaus, Essen, Germany
4. Department of Neurology, Center for ALS and other Motor Neuron Disorders, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil, Bochum, Germany
5. Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
6. Department of Neurology, Hannover Medical School, Hannover, Germany
7. Department for Neurodegenerative Disorders and Gerontopsychiatry, Bonn University, Bonn, Germany
8. Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
9. DZNE, German Center for Neurodegenerative Diseases, Research Site Dresden, Dresden, Germany
10. Department of Neurology, Universitätsklinikum Leipzig, Leipzig, Germany
11. Department of Neurology, Universitätsklinikum Halle, Halle (Saale), Germany
12. Department of Neurology, Universitätsmedizin Göttingen, Göttingen, Germany
13. Department of Sleep Medicine and Neuromuscular Disorders, Universitätsklinikum Münster, Münster, Germany
14. Department of Neurology, Diako Mannheim, Mannheim, Germany
15. Precision Neurology, Universitätsklinikum Schleswig-Holstein, Lübeck, Germany