1. Molecular Virology Unit Microbiology and Virology Department Fondazione IRCCS Policlinico San Matteo Pavia Italy
2. Hemopoietic Stem Cell Unit Division of Haematology Fondazione IRCCS Policlinico San Matteo Pavia Italy
3. Unit of Blood Diseases and Stem Cell Transplantation Department of Clinical and Experimental Sciences Spedali Civili of BresciaUniversity of Brescia Brescia Italy
4. Department of Haematology, Oncology and Dermatology Azienda Policlinico Umberto ISapienza University Rome Italy
5. Haematology and Bone Marrow Transplant Unit IRCCS San Raffaele Scientific Institute Milan Italy
6. Department of Experimental, Diagnostic and Specialty Medicine IRCCS Azienda Ospedaliero Universitaria di Bologna Bologna Italy
7. Department of Specialized, Experimental, and Diagnostic Medicine Operative Unit of Clinical MicrobiologySt. Orsola PolyclinicUniversity of Bologna Bologna Italy
8. Department of Clinical, Surgical, Diagnostic and Pediatric Sciences University of Pavia Pavia Italy