[1] Inst J Paoli I Calmettes, Lab Immunol Tumeurs, 232 Bd Ste Marguerite, F-13273 Marseille 09, France
[2] INSERM, UMR 599, F-13273 Marseille 09, France
[3] Inst J Paoli I Calmettes, UTTC, Dept Hematol, F-13273 Marseille, France
[4] Univ Mediterranee, Marseille, France