1. Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy;
2. Department of Molecular Biotechnologies and Health Sciences, Hematology Division, University of Turin, Turin, Italy;
3. Hematology Unit, S. Eugenio Hospital, Rome, Italy;
4. Department of Hematology, A.O.U Città della Salute e della Scienza di Torino, Turin, Italy;
5. Hematology Unit, University of Pavia, Pavia, Italy;
6. UOC of Hematology, San Giovanni – Addolorata Hospital, Rome, Italy;
7. Hematology Unit, University of Palermo, Palermo, Italy