1. University Hospital of Salamanca (HUS/IBSAL), CIBERONC and Cancer Research Institute of Salamanca-IBMCC (USAL-CSIC) 1 Hematology Department , , Salamanca 37007 , Spain
2. Centro de Investigación Biomédica en Red-Cáncer 2 Hematology Department, Fundación Jiménez Díaz , , Madrid 28040 , Spain
3. Hospital Costa del Sol 3 Hematology Department , , Marbella 29603 , Spain
4. Complejo Asistencial Universitario de León 4 Hematology Department , , León 24071 , Spain
5. Complejo Asistencial de Ávila 5 Hematology Department , , Ávila 05071 , Spain
6. Complejo Asistencial Universitario de Palencia 6 Hematology Department , , Palencia 34005 , Spain