1 Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
2 PhD Program in Public Health, Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.
3 Clinic of Infectious Diseases, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy.
4 University Vita-Salute San Raffaele, Milan, Italy.
5 Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy. peccatori.jacopo@hsr.it.
6 Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy. greco.raffaella@hsr.it.