[1] Univ Verona, Sez Chim & Microscopia Clin, Dipartimento Sci Morfol Biomed, Osped Policlin GB Rossi, I-37134 Verona, Italy
[2] Azienda Osped Verona, Serv Immunoematol Trasfus, Verona, Italy
[3] Univ Verona, Dipartimento Sci Biomed & Chirurg, Sez Endocrinol & Malattie Metab, I-37100 Verona, Italy