1. 1Department of Hematology, Hospital Universitario de Burgos, Burgos, Spain
2. 2Department of Hematology, Complejo Hospitalario Universitario de Cáceres, Cáceres, Spain
3. 3Department of Hematology, Hospital Público Comarcal de La Merced, Seville, Spain
4. 4Department of Hematology, Complejo Asistencial Universitario de León, León, Spain
5. 5Department of Hematology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
6. 6Department of Hematology, Hospital Universitario 12 de Octubre, Madrid, Spain
7. 7Department of Hematology, Fundació Privada Hospital Asil de Granollers, Barcelona, Spain
8. 8Department of Hematology Hospital General de Riotinto, Minas de Riotinto, Huelva, Spain
9. 9Department of Hematology, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Spain
10. 10Department of Hematology, Hospital Universitario de La Princesa, Madrid, Spain
11. 11Department of Hematology, Hospital General Universitario José María Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras- Instituto de Salud Carlos III, Murcia, Spain
12. 12Department of Hematology, Hospital Universitario de La Plana, Villareal, Spain
13. 13Department of Hematology, Complejo Asistencial de Segovia, Segovia, Spain
14. 14Department of Hematology, Hospital Universitario de Gran Canaria Doctor Negrín, Las Palmas de Gran Canaria, Spain
15. 15Department of Hematology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
16. 16Department of Hematology, Hospital Arnau de Vilanova, Valencia, Spain
17. 17Department of Hematology, Hospital de la Serranía de Ronda, Málaga, Spain
18. 18Department of Hematology, Hospital Universitario Central de Asturias, Oviedo, Spain
19. 19Department of Hematology, Hospital Universitario de Guadalajara, Guadalajara, Spain
20. 20Department of Hematology, Complejo Hospitalario Universitario de Albacete, Albacete, Spain
21. 21Department of Hematology, Hospital Universitario Infanta Leonor, Madrid, Spain
22. 22Department of Hematology, Hospital Universitario Álvaro Cunqueiro, Vigo, Spain
23. 23Department of Hematology, Complejo Asistencial de Palencia, Palencia, Spain
24. 24Department of Hematology, Hospital Universitario Severo Ochoa, Leganés, Spain
25. 25Department of Hematology, Hospital Universitario de Cruces, Barakaldo, Spain
26. 26Department of Hematology, Hospital Universitario Ramón y Cajal, Madrid, Spain
27. 27Department of Hematology, Complejo Asistencial de Zamora, Zamora, Spain
28. 28Department of Hematology, Complejo Hospital de El Bierzo, Ponferrada, Spain
29. 29Department of Hematology, Complejo Asistencial de Avila, Avila, Spain
30. 30Department of Hematology, Hospital Sierrallana, Cantabria, Spain
31. 31Department of Hematology, Complexo Hospitalario Universitario de Ourense, Ourense, Spain
32. 32Department of Hematology, Hospital Universitario Río Hortega, Valladolid, Spain
33. 33Department of Hematology, Complejo Asistencial de Soria, Soria, Spain
34. 34Department of Hematology, Hospital Universitario Clínico San Cecilio, Granada, Spain
35. 35Department of Hematology, Hospital Clínico San Carlos, Madrid, Spain
36. 36Department of Hematology, Hospital Universitario de Badajoz, Badajoz, Spain
37. 37Department of Hematology, Hospital Universitario Lucus Augusti, Lugo, Spain
38. 38Department of Hematology, Hospital Verge de la Cinta, Tortosa, Spain
39. 39Department of Hematology, Hospital de Terrassa, Barcelona, Spain
40. 40Department of Hematology, Parc Taulí Hospital Universitari, Sabadell, Spain
41. 41Department of Hematology, Hospital Universitari Doctor Josep Trueta, Girona, Spain
42. 42Department of Haematology, Barts and The London School of Medicine, London, United Kingdom
43. 43Department of Hematology, Hospital Universitario Virgen Macarena, Seville, Spain