1. Department of Medicine and Surgery, University of Parma, Parma, Italy
2. Hematology and BMT Center, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
3. Laboratory of Immunorheumatology and Tissue Regeneration, Istituto Ortopedico Rizzoli, Bologna, Italy
4. Department of Medicine, Hematology Branch, University of Padova and Venetian Institute of Molecular Medicine, Padova, Italy