[1] IRCCS Ca Granda Maggiore Policlin Hosp Fdn, Hematol Unit, Milan, Italy
[2] IRCCS Ca Granda Maggiore Policlin Hosp Fdn, Dept Biomed Surg & Dent Sci, Milan, Italy
[3] IRCCS Ca Granda Maggiore Policlin Hosp Fdn, Epidemiol Unit, Dept Prevent Med, Milan, Italy
[4] IRCCS Ca Granda Maggiore Policlin Hosp Fdn, Div Pathol, Dept Pathophysiol & Transplantat, Hematopathol Sect, Milan, Italy