1 Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.
2 Department of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain.
3 Department of Pathology, Vall d'Hebron Hospital Universitari, Universitat Autònoma de Barcelona, Barcelona, Spain.