1. Institute of Infectious Diseases, Policlinico Universitario Agostino Gemelli; Rome Italy
2. Institute of Hematology, Policlinico Universitario Agostino Gemelli; Rome Italy
3. Haematology, Bianchi Melacrino Morelli Hospital; Reggio Calabria Italy
4. Division of Hematology and Stem Cell Transplantation; University Hospital of Udine; Udine Italy
5. Section of Hematology; Department of Clinical and Experimental Medicine; University of Verona; Italy
6. Hematology Section; Department of Emergency and Organ Transplant; University of Bari; Bari Italy
7. Institute of Hematology, S. Maria della Misericordia Hospital, University of Perugia; Perugia Italy
8. Department of Hematology and Stem Cell Transplant Unit; AOU Citta' della Salute e della Scienza; Torino Italy
9. Hematology and BMT Unit, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy; Department of Clinical and Experimental Medicine, Hematology and BMT Unit, University of Parma; Parma Italy
10. Haematology Unit, Careggi Hospital and University of Florence; Florence Italy
11. Department of Hematology and Stem Cell Transplant Unit; IRCCS “Casa Sollievo della Sofferenza” Hospital; San Giovanni Rotondo Italy
12. Department of Medicine; Haematology Unit, University of Padova; Italy
13. Cattedra di Ematologia, Dipartimento di Biomedicina e Prevenzione, Università Tor Vergata; Roma Italy
14. Hematology, Spedali Civili; Brescia Italy