1. Division of Hematology Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan Italy
2. Clinical Immunology Unit Azienda Ospedaliero Universitaria delle Marche ‐ Università Politecnica delle Marche Ancona Italy
3. Department of Biomedical Sciences and Human Oncology Aldo Moro University of Bari Bari Italy
4. Department of Biomedical Sciences and Human Oncology, Clinic of Infectious Diseases Aldo Moro University of Bari Bari Italy
5. Hematology Unit IRCCS Istituto Tumori “Giovanni Paolo II” Bari Italy
6. Division of Hematology ASST Grande Ospedale Metropolitano Niguarda Milano Italy
7. Hematology Unit Azienda USL‐IRCCS di Reggio Emilia Reggio Emilia Italy
8. Surgical Medical and Dental Department of Morphological Sciences Related to Transplant, Oncology and Regenerative Medicine University of Modena and Reggio Emilia Modena Italy
9. Clinic of Hematology Azienda Ospedaliero Universitaria Delle Marche – Università Politecnica Delle Marche Ancona Italy