1. Division of Brain Sciences, Imperial College London, London, England
2. Center for International Blood and Marrow Transplant Research, Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee
3. Clinical Hematology, University of Ottawa and The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
4. Multiple Sclerosis Center, Swedish Neuroscience Institute, Seattle, Washington
5. Internal Medicine, Autoimmune and Vascular Diseases Unit, Unité Fonctionnelle 04, Assistance Publique–Hôpitaux de Paris Saint-Louis Hospital, Institut National de la Santé et de la Récherche Médicale Unité Mixte de Recherche 1160, Paris, France
6. Department of Hematology, Aristotle University of Thessaloniki, Thessaloniki, Greece
7. Division of Neurology, Department of Medicine, University of Ottawa and The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
8. Fred Hutchinson Cancer Research Center and University of Washington, Seattle
9. Bone Marrow Transplantation Unit, San Martino Hospital, Genova, Italy
10. Bone Marrow Transplant Unit, Hospital Israelita Albert Einstein, São Paulo, Brazil
11. Department of Neurology, First Medical Faculty, Charles University, Prague, Czech Republic
12. Laboratory of Clinical Neurophysiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
13. Department of Internal Medicine and Haematology, Third Faculty of Medicine, Charles University and Faculty Hospital Kralovske Vinohrady, Prague, Czech Republic
14. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, and Maternal and Child Health, University of Genoa, Genova, Italy
15. Department of Neurosciences, Careggi University Hospital, University of Florence, Firenze, Italy
16. Department of Clinical Medicine, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Brazil
17. Colorado Blood Cancer Institute, Denver
18. Experimental Transplantation and Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
19. Department of Hematology, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
20. Hematology Service, Hospital Clinic and Neurology Service, Universitat de Barcelona, Barcelona, Spain
21. Hospital Clinic and Institut d’Investigació August Pi i Sunyer, Universitat de Barcelona, Barcelona, Spain
22. Department of Medicine, Charles University General Hospital, Prague, Czech Republic
23. Drum Tower Hospital of Nanjing Medical University, Nanjing, China
24. European Blood and Marrow Transplant Paris Office, Hôpital Saint Antoine, Paris, France
25. Biostatistics Unit, University of Genoa, Genova, Italy
26. Haematology Department, Careggi University Hospital, Firenze, Italy