1. Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico, I.R.C.C.S., Aviano (PN), Italy
2. Molecular Hematology, International Centre for Genetic Engineering and Biotechnology, Rome, Italy
3. Division of Hematology, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
4. Clinica Ematologica, Centro Trapianti e Terapie Cellulari "Carlo Melzi" DISM, Azienda Ospedaliera Universitaria S. Maria Misericordia, Udine, Italy
5. Department of Internal Medicine and Hematology, Maggiore General Hospital, University of Trieste, Trieste, Italy
6. Division of Hematology, Ferrarotto Hospital, Catania, Italy
7. Department of Hematology, Catholic University Hospital A. Gemelli, Rome, Italy
8. Division of Hematology, S.Eugenio Hospital and University of Tor Vergata, Rome, Italy