1. Maurice Wohl Clinical Neuroscience Institute, Department of Basic and Clinical Neuroscience, King’s College London, London, UK;
2. Department of Pharmacology and Clinical Neuroscience, Umeä University, Umeä, Sweden;
3. University of Edinburgh, Scotland, UK;
4. Rita Levi Montalcini’ Department of Neuroscience, ALS Center, University of Torino, Torino, Italy;
5. Centre de compétence SLA-fédération Tours-Limoges, CHU de Tours, Tours, France;
6. Centre de compétence SLA-fédération Tours-Limoges, CHU de Limoges, Limoges, Fance;
7. Department of Neurology, and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden;
8. Institute of Physiology-Instituto de Medicina Molecular, Faculty of Medicine, University of Lisbon, Lisbon, Portugal;
9. Department of Neurosciences And Mental Health, H Santa Maria-CHLN, Lisbon, Portugal;
10. Hôpital Pasteur 2 – CHU de Nice, Nice, France;
11. Alfried Krupp Krankenhaus, Rüttenscheid, Essen, Germany;
12. Hans-Berger Department of Neurology, Jena University Hospital, Jena, Germany;
13. Kershus Universitetssykehus Lørenskog, Lørenskog, Norway;
14. Karolinska Instituted, Stockholm, Sweden;
15. Department of Neurology, Bispebjerg Hospital, Copenhagen, Denmark;
16. Avdeling for nevrologi og klinisk nevrofysiologi, Sykehuset Innlandet, Lillehammer, Norway;
17. Department of Neurology, University Medicine Göttingen, Göttingen, Germany;
18. Institute of Clinical Neurophysiology, University Medical Centre Ljubljana, Ljubljana, Slovenia;
19. Department of Neurology, Medical University of Warsaw, Warsaw, Poland;
20. Helsinki University Central Hospital, Helsinki, Finland;
21. Department of Neurology, University of Ulm, Ulm, Germany;
22. Sheffield Institute for Translational Neuroscience, University of Sheffield, Sheffield, UK;
23. ALS Outpatient Department, Charité – Universitä;tsmedizin Berlin, Berlin, Germany;
24. Sahlgrenska Universitetssjukhuset, Gothenburg, Sweden;
25. ALS Unit, Hospital San Rafael, Madrid, Spain;
26. Uppsala University, Uppsala, Sweden;
27. Department of Neurology, Hannover Medical School, Hannover, Germany;
28. Neurology department Hospital Universitario de Bellvitge-IDIBELL, Barcelona, Spain;
29. Hôpital de la Salpêtrière, Paris, France;
30. Department of Neurology-Stroke Unit and Laboratory of Neuroscience, Department of Pathophysiology and Transplantation, Center for Neurotechnology and Brain Therapeutics, Università degli Studi di Milano, IRCCS Istituto Auxologico Italiano, Milan, Italy;
31. Lund University, Lund, Sweden;
32. Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK;
33. Haukeland universitetssjukehus, Bergen, Norway;
34. KU Leuven – University of Leuven, Department of Neurosciences, Experimental Neurology, Leuven, Belgium;
35. VIB Center for Brain & Disease Research, Leuven, Belgium;
36. University Hospitals Leuven, Department of Neurology, Leuven, Belgium;
37. Department of Neurology, Academic Medical Centre, University of Amsterdam Center, Amsterdam, The Netherlands;
38. Neuromuscular Diseases Center/ALS Clinic, Kantonsspital St. Gallen, St.Gallen, Switzerland;
39. Department of Neurodegenerative Diseases and Gerontopsychiatry, Bonn University, Bonn, Germany;
40. Department of Neurology, Mannheim, Diakonissenkrankenhaus, Mannheim, Germany;
41. Academic Unit of Neurology, Trinity Biomedical Sciences Institute, Trinity College, Dublin, Ireland;
42. Department of Neurology, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands