1. Department of Medicine; University of Verona and AOUI-Verona, Policlinico GB Rossi; Verona Italy
2. Department of Transfusion Medicine; AOUI-Verona; Verona Italy
3. Department of Surgery, Dentistry, Paediatrics and Gynaecology; University of Verona and AOUI-Verona, Mother and Child Hospital; Verona Italy
4. Department of Diagnostic and Public Health; University of Verona and AOUI-Verona, Policlinico GB Rossi; Verona Italy
5. Medicina II-CEMEF; University of Modena; Modena
6. Department of Transfusion Medicine; Azienda Ospedaliera Universitaria-Modena, University of Modena; Modena Italy
7. Department of Mother and Child; Azienda Ospedaliera Universitaria-Modena, University of Modena; Modena Italy