1. Department of Neurology, UMC Utrecht Brain Centre, University Medical Centre Utrecht, Utrecht, the Netherlands
2. Biostatistics & Research Support, Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, the Netherlands
3. Department of Basic and Clinical Neuroscience, King's College London, Maurice Wohl Clinical Neuroscience Institute, London, UK
4. Department of Neurology, King’s College Hospital, London, UK
5. IRCCS Humanitas Research Hospital Rozzano, Milan, Italy
6. Department of Clinical Sciences, Neurosciences, Umeå University, Umeå, Sweden
7. Département de Neurologie, Centre de référence SLA Ile de France
8. Hôpital de la Pitié Salpêtrière, AP-HP, Paris, France
9. Department of Neurology, University Hospital of Trondheim, Trondheim, Norway
10. Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
11. ALS centre, CHU, University of Lille Nord de France, Lille, France
12. Bujanov Moscow City Clinical Hospital, Moscow, Russian Federation
13. Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department, Moscow, Russian Federation
14. ALS Centre CHU Gui de Chauliac, University of Montpellier, Montpellier, France
15. Institute of Physiology-Instituto de Medicina Molecular, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
16. Department of Neurosciences and Mental Health, H Santa Maria-CHLN, Lisbon, Portugal
17. Regional Newborn Screening Laboratory, Vittore Buzzi Children's Hospital-University of Milan, Italy
18. Department of Neurology, Medical University of Vienna, Vienna, Austria
19. Neurology Service, Hospital Universitario La Paz, Madrid, Spain
20. 'Rita Levi Montalcini' Department of Neuroscience, ALS Centre, University of Torino, Turin, Italy
21. Azienda Ospedaliera Città della Salute e della Scienza, Turin, Italy
22. Centre Constitutif SLA, CHRU de Tours - Fédération des centres SLA Tours-Limoges, LitORALS, Tours, France
23. Centre Constitutif de reference SLA-Fédération Tours-Limoges, CHU de Limoges, Limoges, France
24. "Maggiore della Carità" University Hospital, Novara, Italy
25. Hôpital Pasteur 2 – CHU de Nice, Nice, France
26. ALS Research Lab - ALS Unit, Instituto de Investigación Sanitaria Hospital 12 de Octubre "i + 12", CIBERER, Madrid, Spain
27. Department of Clinical and Experimental Sciences, University of Brescia; NeMO-Brescia Clinical Center for Neuromuscular Diseases, Brescia, Italy
28. Precision Neurology, Dept. of Neurology, Lübeck University Hospital, Lübeck, Germany
29. University of Plymouth, Peninsula Schools of Medicine and Dentistry, Plymouth, UK
30. Department of Neurology, Akershus University Hospital, Lørenskog, Norway
31. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
32. Department of Medical Genetics, Telemark Hospital, Skien, Norway
33. Department of Neurology, Karolinska University Hospital, Stockholm, Sweden
34. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
35. Institute of Clinical Neurophysiology, University Medical Centre Ljubljana, Ljubljana, Slovenia
36. Department of Neurology, Medical University of Warsaw, Warsaw, Poland
37. Department of Neurology, Royal Stoke University Hospital, Stoke, United Kingdom
38. Department of Neuroscience, Brighton and Sussex Medical School, Trafford Centre for Biomedical Research, University of Sussex, Brighton, UK
39. NEMO Clinical Center, Serena Onlus Foundation, Milan, Italy
40. NEMO LAB, Milan, Italy
41. Department of Biomedical, Metabolic and Neural Sciences, Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
42. Department of Neuroscience, St. Agostino Estense Hospital, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
43. Department of Neuroscience, University of Sheffield, Sheffield Institute for Translational Neuroscience, Sheffield, United Kingdom
44. ALS Outpatient Department, Charité – Universitatsmedizin Berlin, Berlin, Germany
45. ALS Unit/Neurology, Hospital San Rafael, Madrid, Spain
46. Department of Neurology, Hannover Medical School, Hannover, Germany
47. Functional Unit of Amyotrophic Lateral Sclerosis (UFELA), Service of Neurology, Bellvitge University Hospital, Hospitalet de Llobregat, Spain
48. European Organization for Professionals and Patients with ALS (EUpALS) & ALS Liga Belgium, Leuven, Belgium
49. Department of Neurology, Experimental Neuropathology Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
50. Department of Health Evidence, Section Biostatistics, Radboud University Medical Centre Nijmegen, Nijmegen, the Netherlands
51. Neuromuscular Unit, Department of Neurology, Hospital del Mar, Barcelona, Spain
52. Instituto Hospital del Mar de Investivaciones Médicas (IMIM), Barcelona, Spain
53. Clinic of General Neurology, Medical University Sofia, University Hospital Alexandrovska, Sofia, Bulgaria
54. Department of Neurosciences, University of Padova, Padova, Italy
55. Clinic of Neurology, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
56. Department of Neurology, Bispebjerg-Frederiksberg Hospital and Rigshospitalet, University Hospital of Copenhagen, Denmark
57. Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
58. Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
59. Department of Neurosciences, Laboratory for Neurobiology, KU Leuven and Centre for Brain & Disease Research, VIB, Leuven Brain Institute, Leuven, Belgium
60. Department of Neurology, University Hospitals Leuven, Leuven, Belgium
61. Department of Neurology, Basurto University Hospital, Vizcaya, Spain
62. ALS Unit and Neuromuscular Disease Unit, Department of Neurology, Hospital La Fe, Valencia, Spain
63. Neuromoscular Disease Unit/ALS Clinic, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
64. Academic Unit of Neurology Trinity College Dublin Ireland, Dublin, Ireland