M Sorigue1, A Triguero2, E Feliu1, J Junca1. 1. Hematology Laboratory, ICO-Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Josep Carreras Leukemia Research Institute, Badalona, Spain. 2. Department of Hematology, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain.