1 Unit of Blood Diseases and Stem Cell Transplantation, Azienda Socio Sanitaria Territoriale (ASST)-Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
2 The University of Utah, Salt Lake City, UT, United States.
3 Unit of Hematology and Bone Marrow Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milano, Italy.