1. Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. and A. Seràgnoli'; University of Bologna, S. Orsola-Malpighi Hospital; Bologna Italy
2. Division of Hematology and Stem Cell Transplantation; Azienda Sanitaria Universitaria Integrata; Udine Italy
3. Division of Hematology; Città della Salute e della Scienza Hospital; Turin Italy
4. Department of Hematology; A.O. Arcispedale Santa Maria Nuova - IRCCS; Reggio Emilia Italy
5. Division of Hematology; University of Ferrara; Ferrara Italy
6. Division of Cellular Biotechnologies and Hematology; University Sapienza; Rome Italy
7. Division of Hematology; IRCCS AOU San Martino-IST; Genoa Italy
8. Division of Hematology; Casa Sollievo Sofferenza; San Giovanni Rotondo Italy
9. Unit of Blood Diseases and Stem Cell Transplantation; ASST Spedali Civili di Brescia; Brescia Italy
10. Division of Hematology; AOU of Parma; Parma Italy
11. Hematology and Stem Cell Transplant Center; AORMN Hospital; Pesaro Italy
12. Hematology and Clinical Immunology Unit; University of Padova; Padova Italy
13. Innere Medizin II, Hämatologie und Onkologie; Universitätsklinikum Jena; Jena Germany
14. Division of Hematology; Policlinico Tor Vergata; Rome Italy
15. Division of Hematology; Azienda Ospedaliera 'Bianchi Melacrino Morelli'; Reggio Calabria Italy
16. Division of Hematology; AOU 'Policlinico-V.Emanuele'; Catania Italy
17. Division of Hematology; Ospedale S. Eugenio; Rome Italy
18. Department of Hematology; University of Verona; Verona Italy