1. Department of Clinical Haematology, Institut Català Oncologia (ICO)-Hospitalet, IDIBELL, Barcelona, Spain;
2. Department of Pathology, University Hospital of Bellvitge, Barcelona, Spain;
3. Department of Pathology of Hospital Germans Trías i Pujol, Universitat Autònoma de Barcelona;
4. Department of Clinical Haematology of Institut Català Oncologia (ICO)-Hospital Germans Trias i Pujol, IJC, Badalona, Spain