[1] Univ Ferrara, Dept Life Sci & Biotechnol, Ferrara, Italy
[2] Univ Turin, Immunogenet Lab, Turin, Italy
[3] Univ Turin, CeRMS, Dept Med Sci, Turin, Italy
[4] Transplant Immunol Citta Salute & Sci, Turin, Italy
[5] Univ Pisa, Dept Clin & Expt Med, Pisa, Italy