1. Department of Hematology Catalan Institute of Oncology‐Hospital Duran i Reynals, IDIBELL, Universitat de Barcelona, L'Hospitalet de Llobregat Barcelona Spain
2. Bone marrow Transplant and Cellular Therapy University of Utah Health Hunstman Cancer Institute Salt Lake City Utah USA
3. Department of Neurology Complejo Asistencial Universitario Salamanca Spain
4. Department of Neurology Hospital Universitario Son Espases, Palma de Mallorca Spain
5. Department of Neurology Hospital Universitario y Politécnico La Fe Valencia Spain
6. Department of Hematology Hospital Vall d'Hebron Barcelona Spain
7. Department of Hematology Hospital Clinic Barcelona Spain
8. Department of Neurology Hospital Universitario Miguel Servet Zaragoza Spain
9. Department of Neurology Virgen de la Arrixaca University Hospital Murcia Spain
10. Department of Hematology Hospital Universitario 12 de Octubre Madrid Spain
11. Department of Neurology Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela Spain
12. Department of Hematology Hospital Universitari Mútua Terrassa Terrassa Spain
13. Department of Neurosurgery Hospital Universitario Marqués de Valdecilla Santander Spain
14. Department of Hematology ICO‐IJC‐Hospital Germans Trias i Pujol Badalona Spain
15. Department of Neurology Hospital Universitario Cruces, Barakaldo Spain
16. Department of Hematology Hospital Clínico Universitario de Valladolid Valladolid Spain
17. Department of Hematology Hospital del Mar Barcelona Spain
18. Department of Hematology Hospital de la Santa Creu i Sant Pau Barcelona Spain
19. Department of Hematology Hospital Universitario Virgen del Rocío Sevilla Spain
20. Neuro‐Oncology Unit Hospital Universitari de Bellvitge‐ICO L'Hospitalet, IDIBELL, L'Hospitalet de Llobregat Barcelona Spain