1. Department of Haematology; Hospital Clínic of Barcelona; Barcelona Spain
2. Pathology Department; MD Anderson Cancer Centre; Madrid Spain
3. Department of Haematology; Complejo Hospitalario de Navarra; Pamplona Spain
4. Department of Haematology; Hospital Clínico of Salamanca; Salamanca Spain
5. Department of Haematology; Hospital Clínico of Valencia; Valencia Spain
6. Department of Haematology; Hospital Morales Messeguer of Murcia; Murcia Spain
7. Department of Haematology; Hospital Germans Trias i Pujol of Barcelona; Barcelona Spain
8. Department of Haematology; Hospital Río Hortega of Valladolid; Valladolid Spain
9. Department of Haematology; Hospital Duran i Reynals of Barcelona; Barcelona Spain
10. Department of Haematology; Hospital Universitario de Canarias; Tenerife Spain
11. Department of Haematology; Hospital Universitari Son Espases of Mallorca; Palma Mallorca Spain
12. Department of Haematology; Complejo Hospitalario Carlos Haya of Málaga; Malaga Spain
13. Department of Haematology; Hospital Ramón y Cajal of Madrid; Madrid Spain
14. Department of Haematology; Hospital de la Santa Creu i Sant Pau of Barcelona; Barcelona Spain