[1] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[2] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Div Pathol, Milan, Italy
[3] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Dermatol Unit, Milan, Italy
[4] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Hematol Div, Milan, Italy
[5] Univ Milan, Dept Oncol & Hematooncol, Milan, Italy