Affiliation: | 1. Division of Hematology, Ospedali Riuniti di Bergamo, Milan, Italy;2. Ospedale Regionale di Vicenza, Milan, Italy;3. Mario Negri Institute, Milan, Italy;1. Hospital Israelita Albert Einstein, São Paulo, Brazil;2. Clinical Immunology and Allergy Division, Universidade de São Paulo, São Paulo, Brazil |