Simona Bernardi1, Michele Malagola2, Nicola Polverelli2, Domenico Russo2. 1. Unit of Blood Diseases and Stem Cell Transplantation, Department of Clinical and Experimental Sciences, Spedali Civili of Brescia, University of Brescia, Brescia, Italy, simona.bernardi@unibs.it. 2. Unit of Blood Diseases and Stem Cell Transplantation, Department of Clinical and Experimental Sciences, Spedali Civili of Brescia, University of Brescia, Brescia, Italy.