1. Hematology, AOU Città della Salute e della Scienza, Turin, Italy;
2. Hematology Division and Bone Marrow Unit, San Gerardo Hospital, Monza, Italy;
3. CRIMM-Centro Ricerca e Innovazione delle Malattie Mieloproliferative, Department of Experimental and Clinical Medicine, Azienda ospedaliera-Universitaria Careggi, University of Florence, Florence, Italy;
4. Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, Bari, Italy;
5. Hematology, Department of Medicine and Surgery, University of Insubria, Varese, Italy