1 Unit of Blood Diseases and Stem Cell Transplantation, ASST-Spedali Civili di Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
2 Unit of Hematology and Bone Marrow Transplantation, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy.
3 Hematology and Stem Cell Transplant Center, AORMN Hospital, Pesaro, Italy.
4 Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Boston, MA, United States.
5 Department of Hematology and Cellular Therapy, "Saint Antoine Hospital" AP-HP, Paris, France.