1 Department of Transfusion Medicine and Haematology, Carlo Poma Hospital, Mantua, Italy.
2 Immunohaematology, Transfusion Medicine and Clinical Pathology Units, "San Giovanni Calibita" Fatebenefratelli Hospital, AFAR, Rome, Italy.
3 Italian National Blood Centre, National Institute of Health, Rome, Italy IRCCS Ca' Granda Foundation Maggiore Policlinico Hospital, Milan, Italy.
4 Italian National Blood Centre, National Institute of Health, Rome, Italy.
5 Italian National Blood Centre, National Institute of Health, Rome, Italy Faculty of Medicine and Psychology, "Sapienza" University of Rome, Rome, Italy.
6 Italian National Blood Centre, National Institute of Health, Rome, Italy Immunohaematology and Transfusion Medicine Unit, Azienda Ospedaliera Città della Salute e della Scienza, Turin, Italy.