1. Department of Hematology, Hospital Clínic de Barcelona, Barcelona, Spain
2. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
3. Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
4. Hematopathology Unit, Department of Pathology, Hospital Clínic de Barcelona, Barcelona, Spain
5. Universitat de Barcelona, Barcelona, Spain