1. AP-HP, Hopital Pitie-Salpetriere; Service d'Hematologie Biologique; Paris F-75013 France
2. INSERM, UMR-S 872; Programmed Cell Death and Physiopathology of Tumor Cells; Team 19, Centre de Recherche des Cordeliers Paris F-75006 France
3. BD Biosciences; Erembodegem Belgium
4. Immunoregulation Laboratory; Centre de Recherche du Centre Hospitalier de l'Université de Montreal (CRCHUM); Quebec Canada
5. UPMC; Univ Paris 06 Paris F-75005 France