1. Department of Hematology, ICO-Hospital Universitari Germans Trias i Pujol, Josep Carreras Leukemia Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain;
2. Department of Hematology, Hospital Universitario y Politécnico La Fe, Valencia, Spain;
3. ICO-Hospital Duran i Reynals, L’Hospitalet de Llobregat, Barcelona, Spain;
4. Hospital Virgen del Rocío, Sevilla, Madrid, Spain;
5. Hospital Virgen de la Victoria, Málaga, Spain;
6. Hospital Valld’Hebrón, Barcelona, Spain;
7. ICO-Hospital Joan XXIII, Tarragona, Spain;
8. Hospital Carlos Haya, Málaga, Spain;
9. Hospital Son Espases, Palma de Mallorca, Palma, Spain;
10. Hospital Central de Asturias, Oviedo, Spain;
11. Hospital Clinico Universitario, IBSAL, Salamanca, Spain;
12. Hospital del Mar, Barcelona, Spain;
13. Hospital Morales Meseguer, Murcia, Spain;
14. Hospital Clínico, Valencia, Spain;
15. Hospital de Sant Pau, Barcelona, Spain;
16. Hospital Xeral, Lugo, Spain;
17. Hospital San Pedro de Alcántara, Cáceres, Spain;
18. Hospital Sanchinarro, Madrid, Spain;
19. Hospital La Zarzuela, Madrid, Spain;
20. Department of Hematology, ICO – Hospital Josep Trueta, Girona, Spain