1. Department of Diagnostic, Clinical and Public Health Medicine; University of Modena and Reggio Emilia; Modena Italy
2. Hematology-Oncology Unit, Bnai Zion Medical Center, and the Rappaport Faculty of Medicine; Technion; Haifa Israel
3. Hematology Unit; Sant'andrea Hospital; Rome Italy
4. Hematology Unit; IRCSS; Reggio Emilia Italy
5. Division of Hematology, Fondazione IRCCS Cà Granda; University of Milan; Milan Italy
6. Department of Internal Medicine; University of Pavia, Fondazione IRCCS Policlinico S. Matteo; Pavia Italy
7. Hematology-Oncology Unit; Emek Medical Center; Afula Israel
8. Department of Hematology; Hadassah University, Hospital and Hebrew University Medical School; Jerusalem Israel