1. Department of Hematology, Hospital Universitario de León, León, Spain
2. Instituto de Biomedicina (IBIOMED), Universidad de León, León, Spain
3. Unidad de Diagnóstico Molecular y Celular del Cáncer, IBSAL, IBMCC-Centro de Investigación del Cáncer (USAL-CSIC), Salamanca, Spain
4. Department of Pathology, Hospital Universitario de León, León, Spain
5. Department of Pathology, Hospital Valle del Nalón, Langreo-Asturias, Spain
6. Department of Hematology, Hospital Universitario U. Marqués de Valdecilla, Santander, Spain
7. Department of Molecular Pathology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
8. Department of Immunology, Hospital Universitario de León, León, Spain
9. Department of Hematology-Oncology, Hospital Clínico Universitario, Valencia, Spain
10. Department of Hematology, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain
11. Unit of Molecular Genetics, ICO-Hospital Germans Trias i Pujol, Institut de Recerca contra la Leucèmia Josep Carreras, Badalona, Spain
12. Department of Hematology, Hospital del Mar, Barcelona, Spain
13. Department of Hematology, Hospital Universitario de Salamanca, Spain
14. Department of Hematology, Hospital Universitari i Politècnic La Fe, Valencia, Spain