1. Haematology Division and Bone Marrow Unit Ospedale San Gerardo Monza Italy
2. Haematology Division IRCCS Cà Granda – Maggiore Policlinico Hospital Foundation Milano Italy
3. Departent of Haematology Ospedale Niguarda Cà Granda Milano Italy
4. Haematology and Bone Marrow Transplantation Unit San Raffaele Scientific Institute Milano Italy
5. Haematology and Transfusion Medicine ASST Lecco Lecco Italy
6. Haematology Department of Medicine and Surgery University of Insubria & Ospedale di Circolo ASST Sette Laghi Varese Italy
7. Haematology Ospedale Valduce Como Italy
8. Haematology and Transfusion Medicine Sacco Hospital Milano Italy
9. Department of Haematology ASST Spedali Civili Brescia Italy
10. Haematology Bone Marrow Transplantation Unit Department of Clinical and Experimental Sciences University of Brescia Brescia Italy
11. Cancer Centre Humanitas Research Hospital & Humanitas University Milan Italy
12. Centro di Biostatistica per l'epidemiologia clinica Department of Health Sciences University of Milano‐Bicocca Monza Italy