1. Section of Hematology, Department of Medical and Surgical Sciences, Azienda Ospedaliero‐Universitaria di Modena University of Modena and Reggio Emilia Modena Italy
2. Section of Medical Statistics, Department of Medical and Surgical Sciences University of Modena and Reggio Emilia Modena Italy
3. Molecular Microbiology and Virology Unit, Department of Laboratory Medicine and Pathological Anatomy Azienda Ospedaliero Universitaria di Modena Modena Italy
4. Pediatric Hematology/Oncology Unit and Cell Factory Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo Pavia Italy