1. Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
2. Department of Medicine, Hematology and Clinical Immunology Section, University of Perugia, Perugia, Italy
3. Department of Life, Health and Environmental Sciences, Hematology Section, University of L'Aquila, L'Aquila, Italy
4. Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy