[1] Univ Milan, Luigi Sacco Hosp, Dept Clin Sci, I-20157 Milan, Italy
[2] Univ Milan, Luigi Sacco Hosp, Oncol Operat Unit, I-20157 Milan, Italy
[3] Univ Milan, Luigi Sacco Hosp, Immunohematol Operat Unit, I-20157 Milan, Italy
[4] Univ Milan, Dept Preclin Sci, I-20157 Milan, Italy
[5] Univ Milan, Sao Paolo Hosp, Clin Infect Dis, Dept Clin Sci, I-20157 Milan, Italy