1. Department of Hematology, Hospital Duran i Reynals, Institut Català d’Oncologia, 08908 Hospitalet de Llobregat, Barcelona, Spain
2. Department of Clinical Immunology, Instituto de Medicina de Laboratorio, Hospital Clínico San Carlos, Universidad Complutense, 28040 Madrid, Spain
3. Department of Hematology, Fundación Jimenez Diaz University Hospital, Health Research Institute-Fundación Jimenez Diaz, 28040 Madrid, Spain
4. Department of Hematology, Hospital de la Santa Creu i Sant Pau, Josep Carreras Leukaemia Research Institute, Universitat Autónoma de Barcelona, 08025 Barcelona, Catalonia, Spain
5. Service of Hematology, ICO-Hospital de Sant Joan Despí Moisès Broggi, 08970 Sant Joan Despí, Barcelona, Spain