1. Department of Medical and Surgical Sciences, Section of Hematology, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria Policlinico, Modena, Italy;
2. Immuno-Transfusional Medicine Unit, Azienda Ospedaliero-Universitaria Policlinico, Modena, Italy;
3. Pediatric Hematology Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo, Pavia, Italy;
4. Department of Laboratory Medicine and Pathology, Unità Sanitaria Locale (USL), Modena, Italy